Question

y=(1/3) x+ 7 resposta

Answer 1

y= $\frac{1}{3}x +7$ - (Função Inversa)

x= $\frac{1}{3}y +7$
x+7= 3.1y
$\frac{x+7}{3} = y$
$f^{-1} (x)= \frac{x+7}{3}$