$\"\"$

The function is $\"\"$ .

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

$\"\"$

The general solution of is $\"\"$ , where $\"\"$ .

$\"\"$

If $\"\"$ then $\"\"$ .

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

$\"\"$

Graph :

Graph the function $\"\"$ :

$\"\"$

Observe the graph.

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

$\"\"$

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

Graph of the function $\"\"$ is

$\"\"$ .