$\"\"$

The function is $\"\"$ , $\"\"$ .

$\"\"$

Interchange the variables $\"\"$ and $\"\"$ to find $\"\"$ .

$\"\"$ .

Solve $\"\"$ for y.

Squaring on both sides.

$\"\"$

$\"\"$ .

Inverse of the function is $\"\"$ , $\"\"$ .

$\"\"$

Inverse of the function is $\"\"$ , $\"\"$ .