$\"\"$

The function is $\"\"$

Rewrite the above function as $\"\"$ .

To find inverse interchange the variables $\"\"$ and $\"\"$ .

$\"\"$

Solve the equation $\"\"$ for $\"\"$ .

$\"\"$

$\"\"$ .

If $\"\"$ .

$\"\"$

If $\"\"$ then $\"\"$ .

$\"\"$

If $\"\"$ then $\"\"$ .