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OBJETIVA CEAG COM CAPA.indd

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Com relação ao gráfico da função f (x)<br />

mostrado abaixo, responda às questões 30 e 31.<br />

30 A afirmação verdadeira é:<br />

A<br />

f ( d)<br />

− f ( c)<br />

< 0<br />

d − c<br />

B f ( b)<br />

≤ a<br />

C f ( a).<br />

f ( 0)<br />

= 0<br />

D c . f ( b)<br />

< b.<br />

f ( c)<br />

E<br />

f ( e)<br />

− f ( d)<br />

<<br />

e − d<br />

f ( i)<br />

− f ( d)<br />

i − d<br />

31 A afirmação verdadeira é:<br />

A f '( a)<br />

< f '(<br />

b)<br />

B f ' '(<br />

d).<br />

f '(<br />

i)<br />

< 0<br />

C f ' ( c)<br />

< 0<br />

D f '' ( i)<br />

> f '(<br />

0)<br />

f<br />

'(<br />

e)<br />

− f '(<br />

d)<br />

E > 0<br />

e − d<br />

11

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