$\"\"$

The function $\"\"$ .

The domain of a function is all possible values of $\"\"$ .

Denominator of the function should not be the zero.

$\"\"$

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

The function $\"\"$ is discontinuous at $\"\"$ and $\"\"$ .

$\"\"$

The function $\"\"$ .

Rewrite the function as $\"\"$ .

Cancel common terms.

$\"\"$ .

The discontinuity at $\"\"$ is removed.

Non removable Discontinuity is at $\"\"$ .

$\"\"$

Non removable Discontinuity is at $\"\"$ .

Removable discontinuity is at $\"\"$ .