The curves are
and
.
Substitute
in
.

The
intercepts are
and
.
The points are
and
.
Graph the curves
and 
Shade the region between the curves.
\
Observe the graph:
\The region indicated in green color is the region bounded by the three curves.
\
(b)
\Area of the region:
\If
and
are continuous on
for all
in
, and non-negative
on the closed interval
, then the area of the region bounded by the graphs
of
and
, and the vertical lines
and
is
.
Here
and
.
Observe the graph:
\The region is bounded between
and
.
Area of the region is
.
The intersections are difficult to find.
\(c)
\Estimate the area by using graph:
\Graph the curves
and
.

Observe the graph:
\The area of the region is
.
(a)
\Graph the curves
and
.
.gif\")
(b)
.
The intersections are difficult to find.
\(c) The area of the region is
.