$\"\"$

The function is $\"\"$ .

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

The denominator of the function should not be zero.

$\"\"$

$\"\"$ .

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

The domain is $\"\"$ . $\"\"$

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