The function is $\"\"$

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

$\"\"$ .

Definition of composite function :

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

Consider $\"\"$ .

$\"\"$ .

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

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