$\"\"$

Given function $\"\"$ , then $\"\"$ .

The function $\"\"$ is wrong because the $\"\"$ is reciprocal of f .

Since $\"\"$ is not a reciprocal of "f ". $\"\"$

The function $\"\"$ .

Rewrite the function as $\"\"$ .

Interchange x and y.

$\"\"$

Solve for y.

$\"\"$ \ \

$\"\"$

Replace y by $\"\"$ .

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

The inverse function $\"\"$ .