$\"\"$

The functions are $\"\"$ with domain $\"\"$ and $\"\"$ .

Find $\"\"$ .

Find the composite function $\"\"$ .

$\"\"$

To find the inverse of the function, consider $\"\"$ and solve $\"\"$ in terms of $\"\"$ .

$\"\"$ .

Squaring on each side.

$\"\"$

Now interchange $\"\"$ and $\"\"$ .

$\"\"$

Replace $\"\"$ .

$\"\"$ for all $\"\"$ .