Tutorial Exercise

Find the inverse function of $f.$

$f(x)=-9x-4$

Step $1$

To find the inverse of the function $f(x)=-9x-4$ we first replace $f(x)$ with $.$

$f(x)=-9x-4$

$y=-9x-4$

Next, we interchange $x$ and $y.$ Doing so gives the following result.

$x=$