Question

Encontre a função inversa de f(x) = 5x + 12

Answer 1

$f(x)=5x+12 \\ \\ y=5x+12 \\ \\ inversa ----\ \textgreater \ \\ \\ x=5y+12 \\ \\ -5y=-x+12 \\ \\ 5y=x-12 \\ \\ y= \frac{x-12}{5} \\ \\ f^{-1} (x) = \frac{x-12}{5}$