Question

if f(x) is an invertible function, find the inverse of f(x)=3x-2/5

Answer 1

y=3x-2/5

5y=3x-2
5y+2=3x
$\frac{5y+2}{3}$ =x

${f}^{-1}$x=$\frac{5y+2}{3}$

${f}^{-1}$y=$\frac{5x+2}{3}$