Step 1:

The function is $\"\"$ .

$\"\"$ is in the form of composite function $\"\"$ .

$\"\"$

Definition of composite function:

The notation $\"\"$ means that the function $\"\"$ is applied first, $\"\"$ is second and then $\"\"$ .

Assume $\"\"$ .

$\"\"$

Now let $\"\"$ .

$\"\"$

Let $\"\"$ .

$\"\"$

Therefore $\"\"$ .

From the above expressions, $\"\"$ and $\"\"$ .

Solution :

$\"\"$ and $\"\"$ .