Step 1:

The functions are $\"\"$ and $\"\"$ .

Graph the functions $\"\"$ , $\"\"$ and $\"\"$ .

$\"\"$

Observe the graph:

The functions $\"\"$ and $\"\"$ are symmetrical about the line $\"\"$ .

Therefore $\"\"$ is inverse function of $\"\"$ .

Solution:

$\"\"$ is inverse function of $\"\"$ .