Step 1:
\The function
and the interval is
.
Differentiate the function with respect to 

Find the critical numbers of
on
by setting
.





and
.
Critical numbers are
and
.
Step 2:
\Find the values of
at these critical numbers.




step 3:
\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 
Solution:
\Absolute maximum value is 
Absolute minimum value is 
\ \ \ \
\ \