Answer
$f^{-1}$(x)= 5x+2
Work Step by Step
f(x)=$\frac{x-2}{5}$
y=$\frac{x-2}{5}$
x=$\frac{y-2}{5}$
5x=y-2
5x+2=y
y=5x+2
$f^{-1}$(x)=5x+2
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