Respostas

  • Usuário do Brainly
2014-08-18T00:20:51-03:00
Temos que, f(x)=3x+1.

Assim, f\left(\dfrac{-3}{2}\right)=3\cdot\left(-\dfrac{3}{2}\right)+1.

Deste modo, f\left(\dfrac{-3}{2}\right)=\dfrac{-9}{2}+1=\dfrac{-9+2}{2}=\dfrac{-7}{2}.

Logo, f\left(\dfrac{-3}{2}\right)=\dfrac{-7}{2}.

Note que, \dfrac{-3}{2}=-1,5 e 3\cdot(-1,5)+1=-4,5+1=-3,5=\dfrac{-7}{2}, como antes.

A resposta é \dfrac{-7}{2}.
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