The function is $\"\"$ .

All possible values of $\"\"$ is the domain of the function.

The function under the square root should not be a negative.

$\"\"$

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

Graph :

Graph of the function $\"\"$ .

$\"\"$

Domain of the function is $\"\"$ .

Graph of the function $\"\"$ is

$\"\"$