\
The function is
.
Differentiate on each side with respect to
.
Derivative of a absolute function:
.

The denominator of the function cannot be zero.
\
and
.
and
.
The function is not defined when
and
.
Therefore, the function is differentiable for all values except at
and
.
\
Find the function in piecewise form.
\Definition of absolute function:
\If
, then
.
If
, then
.
is defined as
If
, then
and
.
Thus,
.
.
If
, then
and
.
Thus,
.
.
If
, then
and
.
Thus,
.
Therefore, the function is defined as 
\
Find the derivative of the function.
\Find
when
:
.
Differentiate on each side with respect to
.

Find
when
:

Differentiate on each side with respect to
.

Find
when
:
.
Differentiate on each side with respect to
.

The derivative of the function
.
\
Graph:
\Graph of the function 

Graph the derivative function

\
(a) The derivative of the function
.
(b)
\Graph of the function is
\
Graph of the derivative function is
\
.