$\"\"$

The function is $\"\"$ .

The function $\"\"$ is one-to-one for $\"\"$ .

$\"\"$

The function is $\"\"$ .

Rewrite the function as $\"\"$ .

Find the inverse function.

$\"\"$ .

Interchange the variables $\"image\"$ and $\"image\"$ .

$\"\"$

Extract square root on each side.

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Substitute $\"\"$ .

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

$\"\"$

The inverse function is $\"\"$ .

The domain of a function is all values of $\"\"$ , those makes the function mathematically correct.

The function under the square cannot be negative.

The domain of the $\"\"$ is set of all non negative real numbers.

Domain of $\"\"$ is $\"image\"$ .

$\"\"$

The inverse function is $\"\"$ and its domain is $\"image\"$ .