$\"\"$

\

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

\

The composite function is $\"\"$ .

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$ .

\

$\"\"$

\

The function is $\"\"$ .

\

Denominator of the function should not be zero.

\

$\"\"$

\

$\"\"$

\

$\"\"$ .

\

\

The composite function $\"\"$ is continuous for all values of $\"\"$ except $\"\"$ and $\"\"$ .

\

$\"\"$

\

Non removable discontinuities at $\"\"$ and $\"\"$ .