Answer
The graph of the two functions is shown below:
Work Step by Step
$f(x)=5x-5$
Substitute $f(x)$ by $y$:
$y=5x-5$
Solve for $x$:
$y+5=5x$
$5x=y+5$
$x=\dfrac{y+5}{5}$
Interchange $x$ and $y$:
$y=\dfrac{x+5}{5}$
Substitute $y$ by $f^{-1}(x)$:
$f^{-1}(x)=\dfrac{x+5}{5}$
