$\"\"$

The function $\"\"$ .

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

Denominator of the function should not be the zero.

$\"\"$ .

$\"\"$

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

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

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

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

$\"\"$

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