The function is
.
The function is discontinuous when
.

The general solution is
, where 
If
then
.
If
then
.
If
then
.
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
.