# Inverse Function

To Find the inverse function, ${f}^{-1}\left(x\right)$ of $f\left(x\right)$
Put the function equal to y.
Rearrange to give x in term of y.
Rewrite as ${f}^{-1}\left(x\right)$  replacing y by x.

Example : Given $f\left(x\right)=5x-4$   , find the inverse function.