$\"\"$

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

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

Find $\"\"$ .

$\"\"$

$\"\"$ .

Since $\"\"$ has no restriction over the domain, domain of the function $\"\"$ is $\"\"$ .

$\"\"$

Find $\"\"$ .

$\"\"$

Since $\"\"$ has no restriction over the domain, domain of the function $\"\"$ is $\"\"$ .

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

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