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         <title>Funções- parte 2</title>
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7-(PUC- MG) O valor máximo da função f(x) = -x² + 2x + 2 tem ordenada:
a) 2&#160;&#160;&#160;&#160; b)3&#160;&#160;&#160; c)1&#160;&#160;&#160; d)5&#160;&#160;&#160; e)6&#160;
&#160;
8-(ACAFE-SC) A função f(x) = x² - 2x + 1 tem mínimo no ponto que x vale:
a)o&#160;&#160;&#160; b)1&#160;&#160;&#160;&#160;&#160; c)2&#160;&#160;&#160;&#160; d)3&#160;&#160;&#160; e)4
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9- O número de produtos produzidos em uma fabrica mensalmente depende do número de trabalhadores, cuja função é dada...<br />
Site que tenta explicar alguns dos mistérios do universo]]></description>
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         <title>Funções- parte 1</title>
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1-&#160;&#160;&#160;&#160; (MED- Itajubá) Um gráfico de coordenadas A(-2,0) e B(0,3), encontra-se na forma de reta. Qual das equações pode representar a variação do gráfico?
a)&#160;&#160;&#160;&#160;&#160; Y = 2x – 3
b)&#160;&#160;&#160;&#160;&#160; y = -2x + 3
c)&#160;&#160;&#160;&#160;&#160; y =1,5x + 3
d)&#160;&#160;&#160;&#160;&#160; y = -1,5x +3
e)&#160;&#160;&#160;&#160;&#160; 3y = -2x
&#160;
B) O valor da função para x = -1/3.
&#160;
&#160;
2-&#160;&#160;&#160;&#160; Um domínio...<br />
Site que tenta explicar alguns dos mistérios do universo]]></description>
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