The function is
and the interval
.
Differentiate
on each side with respect to
.

Find the critical numbers of
on
by setting
.

and 
and 
The critical points are
and
.
Find the values of
at these critical numbers.


Find the values of
at the end points of the interval.


Compare the four values of
to find absolute maximum and absolute minimum.
Absolute maximum value is 
Absolute minimum value is 
Absolute maximum value is 
Absolute minimum value is 