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Matemática

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17. (UESC) O gráfico que melhor representa a função f(x) =<br />

2<br />

log3 (x ) 4 , definida para x <br />

*<br />

R , é:<br />

2<br />

01)<br />

02)<br />

03)<br />

04)<br />

05)<br />

18. (UESB-04) O gráfico representa a função real f(x) = log a (x + 2), para x > –2.<br />

y<br />

-2 0<br />

-2<br />

7<br />

x<br />

124

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