<?xml version='1.0' encoding='UTF-8'?><?xml-stylesheet href="http://www.blogger.com/styles/atom.css" type="text/css"?><feed xmlns='http://www.w3.org/2005/Atom' xmlns:openSearch='http://a9.com/-/spec/opensearchrss/1.0/' xmlns:georss='http://www.georss.org/georss' xmlns:gd='http://schemas.google.com/g/2005' xmlns:thr='http://purl.org/syndication/thread/1.0'><id>tag:blogger.com,1999:blog-810340109533890645</id><updated>2011-06-29T10:05:32.881-07:00</updated><title type='text'>Prof. Fellipe Arrais</title><subtitle type='html'>Blog contendo questões direcionadas para vestibulares e concursos,um abraço do Professor e Amigo, FELLIPE ARRAIS.</subtitle><link rel='http://schemas.google.com/g/2005#feed' type='application/atom+xml' href='http://fellipearrais.blogspot.com/feeds/posts/default'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/810340109533890645/posts/default?max-results=100'/><link rel='alternate' type='text/html' href='http://fellipearrais.blogspot.com/'/><link rel='hub' href='http://pubsubhubbub.appspot.com/'/><author><name>PROFESSOR FELLIPE ARRAIS</name><uri>http://www.blogger.com/profile/08017683679638452640</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='24' height='32' src='http://2.bp.blogspot.com/_HhKMGnK7uic/SX-PehDOuDI/AAAAAAAAAAU/C8KIzm6A5_k/S220/fellipe1.JPG'/></author><generator version='7.00' uri='http://www.blogger.com'>Blogger</generator><openSearch:totalResults>3</openSearch:totalResults><openSearch:startIndex>1</openSearch:startIndex><openSearch:itemsPerPage>100</openSearch:itemsPerPage><entry><id>tag:blogger.com,1999:blog-810340109533890645.post-5156447359423441785</id><published>2011-06-21T03:56:00.000-07:00</published><updated>2011-06-21T04:34:30.627-07:00</updated><title type='text'>COMBINATÓRIA</title><content type='html'>&lt;!--[if gte mso 9]&gt;&lt;xml&gt; 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(UFSM) Para efetuar suas compras, o usuário que necessita sacar dinheiro no caixa eletrônico deve realizar duas operações: digitar uma senha composta por 6 algarismos distintos e outra composta por 3 letras, escolhidas num alfabeto de 26 letras. Se essa pessoa esqueceu a senha, mas lembra que 8, 6 e 4 fazem parte dos três primeiros algarismos e que as letras são todas vogais distintas, sendo E a primeira delas, o número máximo de tentativas necessárias para acessar sua conta será&lt;/p&gt;  &lt;p class="MsoNormal"&gt;(A) 230&lt;/p&gt;  &lt;p class="MsoNormal"&gt;(B) 2.520 &lt;/p&gt;  &lt;p class="MsoNormal"&gt;(C) 3.360&lt;/p&gt;  &lt;p class="MsoNormal"&gt;(D) 15.120&lt;/p&gt;&lt;p class="MsoNormal"&gt;2. Um cientista recebeu &lt;span style="font-weight: bold;"&gt;cinco&lt;/span&gt; cobaias para usar em seu estudo sobre uma nova vacina. Seus cálculos indicaram que o número de maneiras possíveis de escolher pelo menos&lt;span style="font-weight: bold;"&gt; três&lt;/span&gt; cobaias é:&lt;/p&gt;&lt;p class="MsoNormal"&gt;(A) 10.&lt;/p&gt;&lt;p class="MsoNormal"&gt;(B) 16.&lt;/p&gt;&lt;p class="MsoNormal"&gt;(C) 50.&lt;/p&gt;&lt;p class="MsoNormal"&gt;(D) 60.&lt;/p&gt;&lt;p class="MsoNormal"&gt;3. (UFF) A administração de determinado condomínio é feita por uma comissão colegiada formada de &lt;span style="font-weight: bold;"&gt;oito&lt;/span&gt; membros: &lt;span style="font-weight: bold;"&gt;síndico&lt;/span&gt;, &lt;span style="font-weight: bold;"&gt;subsíndico&lt;/span&gt; e um &lt;span style="font-weight: bold;"&gt;conselho consultivo&lt;/span&gt; composto de seis pessoas. Note que há distinção na escolha de síndico e subsíndico enquanto não há esta distinção entre os membros do conselho consultivo. Sabendo que dez pessoas se dispõem a fazer parte de tal comissão, determine o número total de comissões colegiadas distintas que poderão ser formadas com essas dez pessoas.&lt;/p&gt;&lt;p class="MsoNormal"&gt;4. (UEL) Gabi e Ana Paula são membros atuantes do Grêmio Estudantil e estão se formando numa turma de 27 alunos, no total. Uma comissão de formatura, com &lt;span style="font-weight: bold;"&gt;cinco&lt;/span&gt; membros, deve ser formada para a organização dos festejos. Quantas comissões podem ser formadas de modo que Gabi e Ana Paula sejam membros?&lt;/p&gt;&lt;p class="MsoNormal"&gt;(A) 2300&lt;br /&gt;&lt;/p&gt;&lt;p class="MsoNormal"&gt;(B) 9828&lt;br /&gt;&lt;/p&gt;&lt;p class="MsoNormal"&gt;(C) 9288&lt;br /&gt;&lt;/p&gt;&lt;p class="MsoNormal"&gt;(D) 3276&lt;br /&gt;&lt;/p&gt;&lt;p class="MsoNormal"&gt;5. (FGV) Uma empresa tem n vendedores que, com exceção de dois deles, podem ser promovidos a duas vagas de gerente de vendas. Se há 105 possibilidades de se efetuar essa promoção, então o número n é igual a:&lt;/p&gt;&lt;p class="MsoNormal"&gt;(A) 10.&lt;br /&gt;&lt;/p&gt;&lt;p class="MsoNormal"&gt;(B) 11.&lt;br /&gt;&lt;/p&gt;&lt;p class="MsoNormal"&gt;(C) 13.&lt;br /&gt;&lt;/p&gt;&lt;p class="MsoNormal"&gt;(D) 17.&lt;/p&gt;&lt;p class="MsoNormal"&gt;6. (FUVEST) Em uma classe de &lt;span style="font-weight: bold;"&gt;nove&lt;/span&gt; alunos, todos se dão bem, com exceção de Andréia, que vive brigando com Manoel e Alberto. Nessa classe, será constituída uma comissão de cinco alunos, com a exigência de que cada membro se relacione bem com todos os outros. Quantas comissões podem ser formadas?&lt;/p&gt;&lt;p class="MsoNormal"&gt;(A) 71&lt;br /&gt;&lt;/p&gt;&lt;p class="MsoNormal"&gt;(B) 75&lt;br /&gt;&lt;/p&gt;&lt;p class="MsoNormal"&gt;(C) 80&lt;br /&gt;&lt;/p&gt;&lt;p class="MsoNormal"&gt;(D) 83&lt;br /&gt;&lt;/p&gt;&lt;p class="MsoNormal"&gt;7. (UFJF) Um jornalista foi designado para cobrir uma reunião de ministros de estado. Ao chegar ao local da reunião, descobriu que havia terminado. Ao perguntar ao porteiro o número de ministros presentes, ele disse: "Ao saírem, todos os ministros se cumprimentaram mutuamente, num total de 15 apertos de mão". Com base nessa informação, qual foi o número de ministros presentes ao encontro?&lt;/p&gt;&lt;p class="MsoNormal"&gt;8. (UFSM) Por ocasião da Feira de Ciências, 10 alunos da turma de Susanita foram incumbidos de monitorar as salas Meio Ambiente e Informática. A sala Meio Ambiente deve ter 6 monitores. Como um dos principais objetivos é desenvolver a capacidade de o aluno pensar, refletir e expressar seus conhecimentos perante os visitantes, todos deverão passar pelas duas salas. Assim, o número de maneiras diferentes que esses alunos podem ser distribuídos nas duas salas, sem que nenhum seja excluído é:&lt;/p&gt;&lt;p class="MsoNormal"&gt;(A) 105&lt;br /&gt;&lt;/p&gt;&lt;p class="MsoNormal"&gt;(B) 210&lt;br /&gt;&lt;/p&gt;&lt;p class="MsoNormal"&gt;(C) 420&lt;br /&gt;&lt;/p&gt;&lt;p class="MsoNormal"&gt;(D) 5.040&lt;/p&gt;&lt;p style="font-weight: bold; color: rgb(255, 0, 0);" class="MsoNormal"&gt;GABARITO&lt;/p&gt;&lt;p style="font-weight: bold; color: rgb(255, 0, 0);" class="MsoNormal"&gt;1) D&lt;/p&gt;&lt;p style="font-weight: bold; color: rgb(255, 0, 0);" class="MsoNormal"&gt;2) B&lt;/p&gt;&lt;p style="font-weight: bold; color: rgb(255, 0, 0);" class="MsoNormal"&gt;3) 2520&lt;/p&gt;&lt;p style="font-weight: bold; color: rgb(255, 0, 0);" class="MsoNormal"&gt;4) A&lt;/p&gt;&lt;p style="font-weight: bold; color: rgb(255, 0, 0);" class="MsoNormal"&gt;5) D&lt;/p&gt;&lt;p style="font-weight: bold; color: rgb(255, 0, 0);" class="MsoNormal"&gt;6) A&lt;/p&gt;&lt;p style="font-weight: bold; color: rgb(255, 0, 0);" class="MsoNormal"&gt;7) 6&lt;/p&gt;&lt;p class="MsoNormal"&gt;&lt;span style="font-weight: bold; color: rgb(255, 0, 0);"&gt;8) B&lt;/span&gt;&lt;br /&gt;&lt;/p&gt;&lt;p class="MsoNormal"&gt;&lt;br /&gt;&lt;/p&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/810340109533890645-5156447359423441785?l=fellipearrais.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://fellipearrais.blogspot.com/feeds/5156447359423441785/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=810340109533890645&amp;postID=5156447359423441785' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/810340109533890645/posts/default/5156447359423441785'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/810340109533890645/posts/default/5156447359423441785'/><link rel='alternate' type='text/html' href='http://fellipearrais.blogspot.com/2011/06/combinatoria.html' title='COMBINATÓRIA'/><author><name>PROFESSOR FELLIPE ARRAIS</name><uri>http://www.blogger.com/profile/08017683679638452640</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='24' height='32' src='http://2.bp.blogspot.com/_HhKMGnK7uic/SX-PehDOuDI/AAAAAAAAAAU/C8KIzm6A5_k/S220/fellipe1.JPG'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-810340109533890645.post-3945524936548676171</id><published>2011-06-19T14:11:00.000-07:00</published><updated>2011-06-19T14:12:15.070-07:00</updated><title type='text'>PERCENTAGEM</title><content type='html'>&lt;!--[if gte mso 9]&gt;&lt;xml&gt; 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  &lt;w:lsdexception locked="false" priority="67" semihidden="false" unhidewhenused="false" name="Medium Grid 1 Accent 5"&gt;   &lt;w:lsdexception locked="false" priority="68" semihidden="false" unhidewhenused="false" name="Medium Grid 2 Accent 5"&gt;   &lt;w:lsdexception locked="false" priority="69" semihidden="false" unhidewhenused="false" name="Medium Grid 3 Accent 5"&gt;   &lt;w:lsdexception locked="false" priority="70" semihidden="false" unhidewhenused="false" name="Dark List Accent 5"&gt;   &lt;w:lsdexception locked="false" priority="71" semihidden="false" unhidewhenused="false" name="Colorful Shading Accent 5"&gt;   &lt;w:lsdexception locked="false" priority="72" semihidden="false" unhidewhenused="false" name="Colorful List Accent 5"&gt;   &lt;w:lsdexception locked="false" priority="73" semihidden="false" unhidewhenused="false" name="Colorful Grid Accent 5"&gt;   &lt;w:lsdexception locked="false" priority="60" semihidden="false" unhidewhenused="false" name="Light Shading Accent 6"&gt;   &lt;w:lsdexception locked="false" priority="61" semihidden="false" unhidewhenused="false" name="Light List Accent 6"&gt;   &lt;w:lsdexception locked="false" priority="62" semihidden="false" unhidewhenused="false" name="Light Grid Accent 6"&gt;   &lt;w:lsdexception locked="false" priority="63" semihidden="false" unhidewhenused="false" name="Medium Shading 1 Accent 6"&gt;   &lt;w:lsdexception locked="false" priority="64" semihidden="false" unhidewhenused="false" name="Medium Shading 2 Accent 6"&gt;   &lt;w:lsdexception locked="false" priority="65" semihidden="false" unhidewhenused="false" name="Medium List 1 Accent 6"&gt;   &lt;w:lsdexception locked="false" priority="66" semihidden="false" unhidewhenused="false" name="Medium List 2 Accent 6"&gt;   &lt;w:lsdexception locked="false" priority="67" semihidden="false" unhidewhenused="false" name="Medium Grid 1 Accent 6"&gt;   &lt;w:lsdexception locked="false" priority="68" semihidden="false" unhidewhenused="false" name="Medium Grid 2 Accent 6"&gt;   &lt;w:lsdexception locked="false" priority="69" semihidden="false" unhidewhenused="false" name="Medium Grid 3 Accent 6"&gt;   &lt;w:lsdexception locked="false" priority="70" semihidden="false" unhidewhenused="false" name="Dark List Accent 6"&gt;   &lt;w:lsdexception locked="false" priority="71" semihidden="false" unhidewhenused="false" name="Colorful Shading Accent 6"&gt;   &lt;w:lsdexception locked="false" priority="72" semihidden="false" unhidewhenused="false" name="Colorful List Accent 6"&gt;   &lt;w:lsdexception locked="false" priority="73" semihidden="false" unhidewhenused="false" name="Colorful Grid Accent 6"&gt;   &lt;w:lsdexception locked="false" priority="19" semihidden="false" unhidewhenused="false" qformat="true" name="Subtle Emphasis"&gt;   &lt;w:lsdexception locked="false" priority="21" semihidden="false" unhidewhenused="false" qformat="true" name="Intense Emphasis"&gt;   &lt;w:lsdexception locked="false" priority="31" semihidden="false" unhidewhenused="false" qformat="true" name="Subtle Reference"&gt;   &lt;w:lsdexception locked="false" priority="32" semihidden="false" unhidewhenused="false" qformat="true" name="Intense Reference"&gt;   &lt;w:lsdexception locked="false" priority="33" semihidden="false" unhidewhenused="false" qformat="true" name="Book Title"&gt;   &lt;w:lsdexception locked="false" priority="37" name="Bibliography"&gt;   &lt;w:lsdexception locked="false" priority="39" qformat="true" name="TOC Heading"&gt;  &lt;/w:LatentStyles&gt; &lt;/xml&gt;&lt;![endif]--&gt;&lt;!--[if gte mso 10]&gt; &lt;style&gt;  /* Style Definitions */  table.MsoNormalTable  {mso-style-name:"Tabela normal";  mso-tstyle-rowband-size:0;  mso-tstyle-colband-size:0;  mso-style-noshow:yes;  mso-style-priority:99;  mso-style-qformat:yes;  mso-style-parent:"";  mso-padding-alt:0cm 5.4pt 0cm 5.4pt;  mso-para-margin:0cm;  mso-para-margin-bottom:.0001pt;  line-height:115%;  mso-pagination:widow-orphan;  font-size:11.0pt;  font-family:"Calibri","sans-serif";  mso-ascii-font-family:Calibri;  mso-ascii-theme-font:minor-latin;  mso-fareast-font-family:"Times New Roman";  mso-fareast-theme-font:minor-fareast;  mso-hansi-font-family:Calibri;  mso-hansi-theme-font:minor-latin;  mso-bidi-font-family:"Times New Roman";  mso-bidi-theme-font:minor-bidi;} &lt;/style&gt; &lt;![endif]--&gt;  &lt;p class="MsoNormal" style="line-height: 105%;"&gt;&lt;span style="font-size: 9pt; line-height: 105%; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;1&lt;b style=""&gt;.&lt;/b&gt; &lt;span style=""&gt; &lt;/span&gt;&lt;/span&gt;&lt;span style="font-size: 10pt; line-height: 105%; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;Um grupo de amigos tinha reservado um sítio para um fim de semana, e o aluguel seria dividido entre eles em partes iguais. Por algum motivo, o proprietário resolveu aumentar em 10% o preço combinado; isso fez com que três deles desistissem, ocasionando um acréscimo de 20% para cada um dos outros.&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="line-height: 105%;"&gt;&lt;span style="font-size: 10pt; line-height: 105%; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;Com base nessas informações, pode-se afirmar que o número de pessoas do grupo inicial era igual a: &lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="margin-left: 11.35pt; text-indent: -11.35pt; line-height: 12pt;"&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;a) 27&lt;span style=""&gt;  &lt;/span&gt;&lt;/span&gt;&lt;span style="font-size: 10pt;"&gt;&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="margin-left: 11.35pt; text-indent: -11.35pt; line-height: 12pt;"&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;b) 32&lt;span style=""&gt;  &lt;/span&gt;&lt;/span&gt;&lt;span style="font-size: 10pt;"&gt;&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="margin-left: 11.35pt; text-indent: -11.35pt; line-height: 12pt;"&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;c) 36&lt;span style=""&gt;  &lt;/span&gt;&lt;/span&gt;&lt;span style="font-size: 10pt;"&gt;&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="margin-left: 11.35pt; text-indent: -11.35pt; line-height: 12pt;"&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;d) 40&lt;span style=""&gt;  &lt;/span&gt;&lt;/span&gt;&lt;span style="font-size: 10pt;"&gt;&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="line-height: 12pt;"&gt;&lt;span style="font-size: 9pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;&lt;span style=""&gt; &lt;/span&gt;&lt;/span&gt;&lt;span style=""&gt; &lt;/span&gt;&lt;span style="font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="line-height: 105%;"&gt;&lt;span style="font-size: 9pt; line-height: 105%; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;2&lt;b style=""&gt;.&lt;/b&gt; &lt;span style=""&gt; &lt;/span&gt;&lt;/span&gt;&lt;span style="font-size: 10pt; line-height: 105%; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;A prestação da casa própria de João consome 30% do seu salário. Se o salário é corrigido com um aumento de 25% e a prestação da casa com um aumento de 20%, a nova percentagem que a prestação passou a consumir do salário do João é &lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="margin-left: 11.35pt; text-indent: -11.35pt; line-height: 12pt;"&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;a) 22,5%&lt;span style=""&gt;  &lt;/span&gt;&lt;/span&gt;&lt;span style="font-size: 10pt;"&gt;&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="margin-left: 11.35pt; text-indent: -11.35pt; line-height: 12pt;"&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;b) 24,5%&lt;span style=""&gt;  &lt;/span&gt;&lt;/span&gt;&lt;span style="font-size: 10pt;"&gt;&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="margin-left: 11.35pt; text-indent: -11.35pt; line-height: 12pt;"&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;c) 26,8%&lt;span style=""&gt;  &lt;/span&gt;&lt;/span&gt;&lt;span style="font-size: 10pt;"&gt;&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="margin-left: 11.35pt; text-indent: -11.35pt; line-height: 12pt;"&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;d) 28,8%&lt;span style=""&gt;  &lt;/span&gt;&lt;/span&gt;&lt;span style="font-size: 10pt;"&gt;&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="line-height: 12pt;"&gt;&lt;span style="font-size: 9pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;&lt;span style=""&gt; &lt;/span&gt;&lt;/span&gt;&lt;span style=""&gt; &lt;/span&gt;&lt;span style="font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="line-height: 12pt;"&gt;&lt;span style=""&gt; &lt;/span&gt;&lt;span style="font-size: 9pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;3&lt;b style=""&gt;.&lt;/b&gt; &lt;span style=""&gt; &lt;/span&gt;&lt;/span&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;A população de uma cidade cresceu 25% em um ano e, no ano seguinte, teve um decrescimento de 25%. Em relação à população inicial da cidade, podemos deduzir corretamente que a população: &lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="margin-left: 11.35pt; text-indent: -11.35pt; line-height: 12pt;"&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;a) aumentou 93,75%&lt;span style=""&gt;   &lt;/span&gt;&lt;/span&gt;&lt;span style="font-size: 10pt;"&gt;&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="margin-left: 11.35pt; text-indent: -11.35pt; line-height: 12pt;"&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;b) diminuiu 93,75%&lt;span style=""&gt;  &lt;/span&gt;&lt;/span&gt;&lt;span style="font-size: 10pt;"&gt;&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="margin-left: 11.35pt; text-indent: -11.35pt; line-height: 12pt;"&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;c) permaneceu estável&lt;span style=""&gt;   &lt;/span&gt;&lt;/span&gt;&lt;span style="font-size: 10pt;"&gt;&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="margin-left: 11.35pt; text-indent: -11.35pt; line-height: 12pt;"&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;d) aumentou 6,25%&lt;span style=""&gt;  &lt;/span&gt;&lt;/span&gt;&lt;span style="font-size: 10pt;"&gt;&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="margin-left: 11.35pt; text-indent: -11.35pt; line-height: 12pt;"&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;e) diminuiu 6,25%&lt;span style=""&gt;  &lt;/span&gt;&lt;/span&gt;&lt;span style="font-size: 10pt;"&gt;&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="line-height: 12pt;"&gt;&lt;span style="font-size: 9pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;&lt;span style=""&gt; &lt;/span&gt;&lt;/span&gt;&lt;span style=""&gt; &lt;/span&gt;&lt;span style=""&gt; &lt;/span&gt;&lt;span style="font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="line-height: 105%;"&gt;&lt;span style="font-size: 9pt; line-height: 105%; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;4&lt;b style=""&gt;.&lt;/b&gt; &lt;/span&gt;&lt;span style="font-size: 10pt; line-height: 105%; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;Em uma determinada cidade, o preço da gasolina por litro era de R$ 2,75 e baixou para R$ 2,20. Nesse contexto, o preço da gasolina foi reduzido em: &lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="margin-left: 11.35pt; text-indent: -11.35pt; line-height: 12pt;"&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;a) 15%&lt;span style=""&gt;  &lt;/span&gt;&lt;/span&gt;&lt;span style="font-size: 10pt;"&gt;&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="margin-left: 11.35pt; text-indent: -11.35pt; line-height: 12pt;"&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;b) 17%&lt;span style=""&gt;  &lt;/span&gt;&lt;/span&gt;&lt;span style="font-size: 10pt;"&gt;&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="margin-left: 11.35pt; text-indent: -11.35pt; line-height: 12pt;"&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;c) 18%&lt;span style=""&gt;  &lt;/span&gt;&lt;/span&gt;&lt;span style="font-size: 10pt;"&gt;&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="margin-left: 11.35pt; text-indent: -11.35pt; line-height: 12pt;"&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;d) 20%&lt;span style=""&gt;  &lt;/span&gt;&lt;/span&gt;&lt;span style="font-size: 10pt;"&gt;&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="margin-left: 11.35pt; text-indent: -11.35pt; line-height: 12pt;"&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;e) 25%&lt;span style=""&gt;  &lt;/span&gt;&lt;/span&gt;&lt;span style="font-size: 10pt;"&gt;&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="line-height: 12pt;"&gt;&lt;span style="font-size: 9pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;&lt;span style=""&gt; &lt;/span&gt;&lt;/span&gt;&lt;span style=""&gt; &lt;/span&gt;&lt;span style=""&gt; &lt;/span&gt;&lt;span style="font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="line-height: 105%;"&gt;&lt;span style="font-size: 9pt; line-height: 105%; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;5&lt;b style=""&gt;.&lt;/b&gt; &lt;span style=""&gt; &lt;/span&gt;&lt;span style=""&gt;  &lt;/span&gt;&lt;/span&gt;&lt;span style="font-size: 10pt; line-height: 105%; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;Uma loja de eletrodomésticos publicou o seguinte anúncio:&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="line-height: 105%;"&gt;&lt;span style="font-size: 10pt; line-height: 105%; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;"Compre uma geladeira por R$ 950,00 para pagamento em 30 dias, ou à vista, com um desconto promocional de 20%". Se um cliente optar pela compra com pagamento em 30 dias, a taxa de juros a ser paga, ao mês, é: &lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="margin-left: 11.35pt; text-indent: -11.35pt; line-height: 12pt;"&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;a) 20%&lt;span style=""&gt;  &lt;/span&gt;&lt;/span&gt;&lt;span style="font-size: 10pt;"&gt;&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="margin-left: 11.35pt; text-indent: -11.35pt; line-height: 12pt;"&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;b) 22%&lt;span style=""&gt;  &lt;/span&gt;&lt;/span&gt;&lt;span style="font-size: 10pt;"&gt;&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="margin-left: 11.35pt; text-indent: -11.35pt; line-height: 12pt;"&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;c) 25%&lt;span style=""&gt;  &lt;/span&gt;&lt;/span&gt;&lt;span style="font-size: 10pt;"&gt;&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="margin-left: 11.35pt; text-indent: -11.35pt; line-height: 12pt;"&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;d) 28%&lt;span style=""&gt;  &lt;/span&gt;&lt;/span&gt;&lt;span style="font-size: 10pt;"&gt;&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="line-height: 12pt;"&gt;&lt;span style="font-size: 9pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;&lt;span style=""&gt; &lt;/span&gt;&lt;/span&gt;&lt;span style=""&gt; &lt;/span&gt;&lt;span style="font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="line-height: 105%;"&gt;&lt;span style="font-size: 9pt; line-height: 105%; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;6&lt;b style=""&gt;.&lt;/b&gt; &lt;span style=""&gt; &lt;/span&gt;&lt;span style=""&gt;  &lt;/span&gt;&lt;/span&gt;&lt;span style="font-size: 10pt; line-height: 105%; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;José foi promovido na sua empresa e teve um aumento de 40% no seu salário. Dois meses depois, todos os funcionários da empresa receberam um reajuste de 10%. Qual foi o aumento percentual de José? &lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="line-height: 12pt;"&gt;&lt;span style="font-size: 9pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;&lt;span style=""&gt; &lt;/span&gt;&lt;/span&gt;&lt;span style=""&gt; &lt;/span&gt;&lt;span style="font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="line-height: 105%;"&gt;&lt;span style="font-size: 9pt; line-height: 105%; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;7&lt;b style=""&gt;.&lt;/b&gt; &lt;span style=""&gt; &lt;/span&gt;&lt;span style=""&gt;  &lt;/span&gt;&lt;/span&gt;&lt;span style="font-size: 10pt; line-height: 105%; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;João recebeu um aumento de 10%&lt;span style=""&gt;  &lt;/span&gt;e com isso seu salário chegou a R$1.320,00. O salário de João antes do aumento era igual a? &lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="margin-left: 11.35pt; text-indent: -11.35pt; line-height: 12pt;"&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;a) R$1.188,00&lt;span style=""&gt;   &lt;/span&gt;&lt;/span&gt;&lt;span style="font-size: 10pt;"&gt;&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="margin-left: 11.35pt; text-indent: -11.35pt; line-height: 12pt;"&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;b) R$1.200,00&lt;span style=""&gt;    &lt;/span&gt;&lt;/span&gt;&lt;span style="font-size: 10pt;"&gt;&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="margin-left: 11.35pt; text-indent: -11.35pt; line-height: 12pt;"&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;c) R$1.220,00&lt;span style=""&gt;   &lt;/span&gt;&lt;/span&gt;&lt;span style="font-size: 10pt;"&gt;&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="margin-left: 11.35pt; text-indent: -11.35pt; line-height: 12pt;"&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;d) R$1.310,00&lt;span style=""&gt;   &lt;/span&gt;&lt;/span&gt;&lt;span style="font-size: 10pt;"&gt;&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="margin-left: 11.35pt; text-indent: -11.35pt; line-height: 12pt;"&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;e) R$1.452,00&lt;span style=""&gt;  &lt;/span&gt;&lt;/span&gt;&lt;span style="font-size: 10pt;"&gt;&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="line-height: 12pt;"&gt;&lt;span style="font-size: 9pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;&lt;span style=""&gt; &lt;/span&gt;&lt;/span&gt;&lt;span style=""&gt; &lt;/span&gt;&lt;span style="font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="line-height: 105%;"&gt;&lt;span style="font-size: 9pt; line-height: 105%; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;8&lt;b style=""&gt;.&lt;/b&gt; &lt;span style=""&gt; &lt;/span&gt;&lt;/span&gt;&lt;span style="font-size: 10pt; line-height: 105%; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;Pensando em aumentar seus lucros, um lojista aumentou os preços de seus produtos em 25%. Como, a partir desse aumento, as vendas diminuíram, o comerciante decidiu reduzir os novos preços praticados em 25%. Com base nessas informações, é CORRETO afirmar que, após essa redução, as mercadorias dessa loja passaram a: &lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="margin-left: 11.35pt; text-indent: -11.35pt; line-height: 12pt;"&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;a) ter o preço original.&lt;span style=""&gt;  &lt;/span&gt;&lt;/span&gt;&lt;span style="font-size: 10pt;"&gt;&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="margin-left: 11.35pt; text-indent: -11.35pt; line-height: 12pt;"&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;b) ser 5% mais caras.&lt;span style=""&gt;  &lt;/span&gt;&lt;/span&gt;&lt;span style="font-size: 10pt;"&gt;&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="margin-left: 11.35pt; text-indent: -11.35pt; line-height: 12pt;"&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;c) ser 10% mais caras.&lt;span style=""&gt; 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  &lt;w:lsdexception locked="false" priority="21" semihidden="false" unhidewhenused="false" qformat="true" name="Intense Emphasis"&gt;   &lt;w:lsdexception locked="false" priority="31" semihidden="false" unhidewhenused="false" qformat="true" name="Subtle Reference"&gt;   &lt;w:lsdexception locked="false" priority="32" semihidden="false" unhidewhenused="false" qformat="true" name="Intense Reference"&gt;   &lt;w:lsdexception locked="false" priority="33" semihidden="false" unhidewhenused="false" qformat="true" name="Book Title"&gt;   &lt;w:lsdexception locked="false" priority="37" name="Bibliography"&gt;   &lt;w:lsdexception locked="false" priority="39" qformat="true" name="TOC Heading"&gt;  &lt;/w:LatentStyles&gt; &lt;/xml&gt;&lt;![endif]--&gt;&lt;!--[if gte mso 10]&gt; &lt;style&gt;  /* Style Definitions */  table.MsoNormalTable  {mso-style-name:"Tabela normal";  mso-tstyle-rowband-size:0;  mso-tstyle-colband-size:0;  mso-style-noshow:yes;  mso-style-priority:99;  mso-style-qformat:yes;  mso-style-parent:"";  mso-padding-alt:0cm 5.4pt 0cm 5.4pt;  mso-para-margin:0cm;  mso-para-margin-bottom:.0001pt;  mso-pagination:widow-orphan;  font-size:11.0pt;  font-family:"Calibri","sans-serif";  mso-ascii-font-family:Calibri;  mso-ascii-theme-font:minor-latin;  mso-fareast-font-family:"Times New Roman";  mso-fareast-theme-font:minor-fareast;  mso-hansi-font-family:Calibri;  mso-hansi-theme-font:minor-latin;  mso-bidi-font-family:"Times New Roman";  mso-bidi-theme-font:minor-bidi;} &lt;/style&gt; &lt;![endif]--&gt;  &lt;p class="MsoNormal" style="margin-bottom: 2pt; line-height: 105%;"&gt;&lt;span style="font-size: 9pt; line-height: 105%; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;1&lt;b style=""&gt;.&lt;/b&gt; (Ufg)&lt;span style=""&gt;  &lt;/span&gt;&lt;/span&gt;&lt;span style="font-size: 10pt; line-height: 105%; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;A teoria da cronologia do carbono, utilizada para determinar a idade de fósseis, baseia-se no fato de que o isótopo do carbono 14 (C-14) é produzido na atmosfera pela ação de radiações cósmicas no nitrogênio e que a quantidade de C-14 na atmosfera é a mesma que está presente nos organismos vivos. Quando um organismo morre, a absorção de C-14, através da respiração ou alimentação, cessa, e a quantidade de C-14 presente no fóssil é dada pela função C(t) = C&lt;sub&gt;0&lt;/sub&gt;10&lt;sup&gt;nt&lt;/sup&gt;, onde t é dado em anos a partir da morte do organismo, C&lt;sub&gt;0&lt;/sub&gt; é a quantidade de C-14 para t = 0 e n é uma constante. Sabe-se que 5 600 anos após a morte, a quantidade de C-14 presente no organismo é a metade da quantidade inicial (quando t = 0).&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="margin-bottom: 2pt; line-height: 105%;"&gt;&lt;span style="font-size: 10pt; line-height: 105%; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;No momento em que um fóssil foi descoberto, a quantidade de C-14 medida foi de C&lt;sub&gt;0&lt;/sub&gt;/32. Tendo em vista estas informações, calcule a idade do fóssil no momento em que ele foi descoberto.&lt;/span&gt;&lt;/p&gt;&lt;p class="MsoNormal" style="margin-bottom: 2pt; line-height: 105%;"&gt;&lt;!--[if gte mso 9]&gt;&lt;xml&gt;  &lt;o:officedocumentsettings&gt;   &lt;o:allowpng/&gt;   &lt;o:targetscreensize&gt;1024x768&lt;/o:TargetScreenSize&gt;  &lt;/o:OfficeDocumentSettings&gt; &lt;/xml&gt;&lt;![endif]--&gt;&lt;!--[if gte mso 9]&gt;&lt;xml&gt;  &lt;w:worddocument&gt;   &lt;w:view&gt;Normal&lt;/w:View&gt;   &lt;w:zoom&gt;0&lt;/w:Zoom&gt;   &lt;w:trackmoves/&gt;   &lt;w:trackformatting/&gt;   &lt;w:hyphenationzone&gt;21&lt;/w:HyphenationZone&gt;   &lt;w:punctuationkerning/&gt;   &lt;w:validateagainstschemas/&gt;   &lt;w:saveifxmlinvalid&gt;false&lt;/w:SaveIfXMLInvalid&gt;   &lt;w:ignoremixedcontent&gt;false&lt;/w:IgnoreMixedContent&gt;   &lt;w:alwaysshowplaceholdertext&gt;false&lt;/w:AlwaysShowPlaceholderText&gt;   &lt;w:donotpromoteqf/&gt;   &lt;w:lidthemeother&gt;PT-BR&lt;/w:LidThemeOther&gt;   &lt;w:lidthemeasian&gt;X-NONE&lt;/w:LidThemeAsian&gt;   &lt;w:lidthemecomplexscript&gt;X-NONE&lt;/w:LidThemeComplexScript&gt;   &lt;w:compatibility&gt;    &lt;w:breakwrappedtables/&gt;    &lt;w:snaptogridincell/&gt;    &lt;w:wraptextwithpunct/&gt;    &lt;w:useasianbreakrules/&gt;    &lt;w:dontgrowautofit/&gt;    &lt;w:splitpgbreakandparamark/&gt;    &lt;w:dontvertaligncellwithsp/&gt;    &lt;w:dontbreakconstrainedforcedtables/&gt;    &lt;w:dontvertalignintxbx/&gt;    &lt;w:word11kerningpairs/&gt;    &lt;w:cachedcolbalance/&gt;    &lt;w:usefelayout/&gt;   &lt;/w:Compatibility&gt;   &lt;m:mathpr&gt;    &lt;m:mathfont val="Cambria Math"&gt;    &lt;m:brkbin val="before"&gt;    &lt;m:brkbinsub val=""&gt;    &lt;m:smallfrac val="off"&gt;    &lt;m:dispdef&gt;    &lt;m:lmargin val="0"&gt;    &lt;m:rmargin val="0"&gt;    &lt;m:defjc val="centerGroup"&gt;    &lt;m:wrapindent val="1440"&gt;    &lt;m:intlim val="subSup"&gt;    &lt;m:narylim val="undOvr"&gt;   &lt;/m:narylim&gt;&lt;/m:intlim&gt; &lt;/m:wrapindent&gt;&lt;!--[endif]--&gt;&lt;!--[if gte mso 9]&gt;&lt;xml&gt; 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 mso-tstyle-rowband-size:0;  mso-tstyle-colband-size:0;  mso-style-noshow:yes;  mso-style-priority:99;  mso-style-qformat:yes;  mso-style-parent:"";  mso-padding-alt:0cm 5.4pt 0cm 5.4pt;  mso-para-margin:0cm;  mso-para-margin-bottom:.0001pt;  mso-pagination:widow-orphan;  font-size:11.0pt;  font-family:"Calibri","sans-serif";  mso-ascii-font-family:Calibri;  mso-ascii-theme-font:minor-latin;  mso-fareast-font-family:"Times New Roman";  mso-fareast-theme-font:minor-fareast;  mso-hansi-font-family:Calibri;  mso-hansi-theme-font:minor-latin;  mso-bidi-font-family:"Times New Roman";  mso-bidi-theme-font:minor-bidi;} &lt;/style&gt; &lt;![endif]--&gt;  &lt;/m:defjc&gt;&lt;/m:rmargin&gt;&lt;/m:lmargin&gt;&lt;/m:dispdef&gt;&lt;/m:smallfrac&gt;&lt;/p&gt;&lt;p class="MsoNormal" style="margin-bottom: 2pt; line-height: 105%;"&gt;&lt;span style="font-size: 9pt; line-height: 105%; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;2&lt;b style=""&gt;.&lt;/b&gt; (Ufsm)&lt;span style=""&gt;  &lt;/span&gt;&lt;/span&gt;&lt;span style="font-size: 10pt; line-height: 105%; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;Os projetos sociais que visam melhorar a qualidade de vida de certa cidade são realizados segundo a previsão populacional para a época de implementação. Sabe-se que a população da cidade aumenta de acordo com a lei P(t) = 2000 . 10&lt;sup&gt;t&lt;/sup&gt;, onde t é o tempo em anos e P(t) é o total de habitantes após t anos. Para atender uma população de 160000 habitantes, adotando log 2 = a, o projeto deverá estar pronto num total de anos igual a &lt;/span&gt;&lt;span style="font-size: 11pt; line-height: 105%;"&gt;&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="margin-left: 11.35pt; text-indent: -11.35pt;"&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;a) &lt;/span&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;3a + 1 &lt;/span&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;&lt;span style=""&gt; &lt;/span&gt;&lt;/span&gt;&lt;span style="font-size: 10pt;"&gt;&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="margin-left: 11.35pt; text-indent: -11.35pt;"&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;b) &lt;/span&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;3a &lt;/span&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;&lt;span style=""&gt; &lt;/span&gt;&lt;/span&gt;&lt;span style="font-size: 10pt;"&gt;&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="margin-left: 11.35pt; text-indent: -11.35pt;"&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;c) &lt;/span&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;3a - 1 &lt;/span&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;&lt;span style=""&gt; &lt;/span&gt;&lt;/span&gt;&lt;span style="font-size: 10pt;"&gt;&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="margin-left: 11.35pt; text-indent: -11.35pt;"&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;d) &lt;/span&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;a + 1 &lt;/span&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;&lt;span style=""&gt; &lt;/span&gt;&lt;/span&gt;&lt;span style="font-size: 10pt;"&gt;&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="margin-left: 11.35pt; text-indent: -11.35pt;"&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;e) &lt;/span&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;a - 1 &lt;/span&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;&lt;span style=""&gt; &lt;/span&gt;&lt;/span&gt;&lt;span style="font-size: 10pt;"&gt;&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="margin-bottom: 2pt; line-height: 105%;"&gt;&lt;!--[if gte mso 9]&gt;&lt;xml&gt;  &lt;o:officedocumentsettings&gt;   &lt;o:allowpng/&gt;   &lt;o:targetscreensize&gt;1024x768&lt;/o:TargetScreenSize&gt;  &lt;/o:OfficeDocumentSettings&gt; &lt;/xml&gt;&lt;![endif]--&gt;&lt;!--[if gte mso 9]&gt;&lt;xml&gt;  &lt;w:worddocument&gt;   &lt;w:view&gt;Normal&lt;/w:View&gt;   &lt;w:zoom&gt;0&lt;/w:Zoom&gt;   &lt;w:trackmoves/&gt;   &lt;w:trackformatting/&gt;   &lt;w:hyphenationzone&gt;21&lt;/w:HyphenationZone&gt;   &lt;w:punctuationkerning/&gt;   &lt;w:validateagainstschemas/&gt;   &lt;w:saveifxmlinvalid&gt;false&lt;/w:SaveIfXMLInvalid&gt;   &lt;w:ignoremixedcontent&gt;false&lt;/w:IgnoreMixedContent&gt;   &lt;w:alwaysshowplaceholdertext&gt;false&lt;/w:AlwaysShowPlaceholderText&gt;   &lt;w:donotpromoteqf/&gt;   &lt;w:lidthemeother&gt;PT-BR&lt;/w:LidThemeOther&gt;   &lt;w:lidthemeasian&gt;X-NONE&lt;/w:LidThemeAsian&gt;   &lt;w:lidthemecomplexscript&gt;X-NONE&lt;/w:LidThemeComplexScript&gt;   &lt;w:compatibility&gt;    &lt;w:breakwrappedtables/&gt;    &lt;w:snaptogridincell/&gt;    &lt;w:wraptextwithpunct/&gt;    &lt;w:useasianbreakrules/&gt;    &lt;w:dontgrowautofit/&gt;    &lt;w:splitpgbreakandparamark/&gt;    &lt;w:dontvertaligncellwithsp/&gt;    &lt;w:dontbreakconstrainedforcedtables/&gt;    &lt;w:dontvertalignintxbx/&gt;    &lt;w:word11kerningpairs/&gt;    &lt;w:cachedcolbalance/&gt;    &lt;w:usefelayout/&gt;   &lt;/w:Compatibility&gt;   &lt;m:mathpr&gt;    &lt;m:mathfont val="Cambria Math"&gt;    &lt;m:brkbin val="before"&gt;    &lt;m:brkbinsub val=""&gt;    &lt;m:smallfrac val="off"&gt;    &lt;m:dispdef&gt;    &lt;m:lmargin val="0"&gt;    &lt;m:rmargin val="0"&gt;    &lt;m:defjc val="centerGroup"&gt;    &lt;m:wrapindent val="1440"&gt;    &lt;m:intlim val="subSup"&gt;    &lt;m:narylim val="undOvr"&gt;   &lt;/m:narylim&gt;&lt;/m:intlim&gt; &lt;/m:wrapindent&gt;&lt;!--[endif]--&gt;&lt;!--[if gte mso 9]&gt;&lt;xml&gt;  &lt;w:latentstyles deflockedstate="false" defunhidewhenused="true" defsemihidden="true" defqformat="false" defpriority="99" latentstylecount="267"&gt;   &lt;w:lsdexception locked="false" priority="0" semihidden="false" unhidewhenused="false" qformat="true" name="Normal"&gt; 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 font-size:11.0pt;  font-family:"Calibri","sans-serif";  mso-ascii-font-family:Calibri;  mso-ascii-theme-font:minor-latin;  mso-fareast-font-family:"Times New Roman";  mso-fareast-theme-font:minor-fareast;  mso-hansi-font-family:Calibri;  mso-hansi-theme-font:minor-latin;  mso-bidi-font-family:"Times New Roman";  mso-bidi-theme-font:minor-bidi;} &lt;/style&gt; &lt;![endif]--&gt;  &lt;/m:defjc&gt;&lt;/m:rmargin&gt;&lt;/m:lmargin&gt;&lt;/m:dispdef&gt;&lt;/m:smallfrac&gt;&lt;/p&gt;&lt;p class="MsoNormal" style=""&gt;&lt;span style="font-size: 9pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;3&lt;b style=""&gt;.&lt;/b&gt; (Ufjf)&lt;span style=""&gt;  &lt;/span&gt;&lt;/span&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;Uma pessoa aplicou uma quantia inicial em um determinado fundo de investimento. Suponha que a função &lt;i&gt;F&lt;/i&gt;, que fornece o valor, em reais, que essa pessoa possui investido em relação ao tempo &lt;i&gt;t&lt;/i&gt;, seja dada por:&lt;/span&gt;&lt;/p&gt;&lt;p class="MsoNormal" style=""&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt; F(t) = 100(1,2)&lt;sup&gt;t&lt;/sup&gt;.&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style=""&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;O tempo &lt;i&gt;t&lt;/i&gt;, em meses, é contado a partir do instante do investimento inicial.&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style=""&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;a) &lt;/span&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;Qual foi a quantia inicial aplicada?&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style=""&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;b) &lt;/span&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;Quanto essa pessoa teria no fundo de investimento após 3 meses da aplicação inicial?&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="margin-left: 11.35pt; text-indent: -11.35pt;"&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;c) &lt;/span&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;Utilizando os valores aproximados log&lt;sub&gt;10&lt;/sub&gt; 2 = 0,3 e log&lt;sub&gt;10&lt;/sub&gt; 3 = 0,48, quantos meses, a partir do instante do investimento inicial, seriam necessários para que essa pessoa possuísse, no fundo de investimento, uma quantia igual a R$ 2.700,00?&lt;br /&gt;&lt;/span&gt;&lt;/p&gt;&lt;p class="MsoNormal" style="margin-left: 11.35pt; text-indent: -11.35pt; font-weight: bold; color: rgb(255, 0, 0);"&gt;GABARITO&lt;/p&gt;&lt;p class="MsoNormal" style="margin-left: 11.35pt; text-indent: -11.35pt; font-weight: bold; color: rgb(255, 0, 0);"&gt;1) 28 mil&lt;/p&gt;&lt;p class="MsoNormal" style="margin-left: 11.35pt; text-indent: -11.35pt; font-weight: bold; color: rgb(255, 0, 0);"&gt;2) A&lt;/p&gt;&lt;p class="MsoNormal" style="margin-left: 11.35pt; text-indent: -11.35pt; font-weight: bold; color: rgb(255, 0, 0);"&gt;3)&lt;/p&gt;&lt;p class="MsoNormal" style="margin-left: 11.35pt; text-indent: -11.35pt; font-weight: bold; color: rgb(255, 0, 0);"&gt;A) 100 reais.&lt;/p&gt;&lt;p class="MsoNormal" style="margin-left: 11.35pt; text-indent: -11.35pt; font-weight: bold; color: rgb(255, 0, 0);"&gt;B) 172,8 reais.&lt;/p&gt;&lt;p class="MsoNormal" style="margin-left: 11.35pt; text-indent: -11.35pt;"&gt;&lt;span style="font-weight: bold; color: rgb(255, 0, 0);"&gt;C) 18 meses.&lt;/span&gt;&lt;br /&gt;&lt;span style="font-size: 10pt; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;&lt;/span&gt;&lt;span style="font-size: 11pt;"&gt;&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal" style="margin-bottom: 2pt; line-height: 105%;"&gt;&lt;br /&gt;&lt;span style="font-size: 10pt; line-height: 105%; font-family: &amp;quot;Arial&amp;quot;,&amp;quot;sans-serif&amp;quot;;"&gt;&lt;/span&gt;&lt;span style="font-size: 11pt; line-height: 105%;"&gt;&lt;/span&gt;&lt;/p&gt;  &lt;/m:defjc&gt;&lt;/m:rmargin&gt;&lt;/m:lmargin&gt;&lt;/m:dispdef&gt;&lt;/m:smallfrac&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/810340109533890645-5286270292363525650?l=fellipearrais.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://fellipearrais.blogspot.com/feeds/5286270292363525650/comments/default' title='Postar comentários'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=810340109533890645&amp;postID=5286270292363525650' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/810340109533890645/posts/default/5286270292363525650'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/810340109533890645/posts/default/5286270292363525650'/><link rel='alternate' type='text/html' href='http://fellipearrais.blogspot.com/2011/06/logaritmo_16.html' title='LOGARITMO'/><author><name>PROFESSOR FELLIPE ARRAIS</name><uri>http://www.blogger.com/profile/08017683679638452640</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='24' height='32' src='http://2.bp.blogspot.com/_HhKMGnK7uic/SX-PehDOuDI/AAAAAAAAAAU/C8KIzm6A5_k/S220/fellipe1.JPG'/></author><thr:total>0</thr:total></entry></feed>
