$\"\"$

The function is $\"\"$ .

Simplify the expression.

$\"\"$

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

The denominator of the function should not be zero.

$\"\"$

$\"\"$ and $\"\"$

$\"\"$ and $\"\"$ .

The domain of the function is set all values of $\"\"$ except $\"\"$ and $\"\"$ .

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

$\"\"$

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