The equations are
and
.
(a)
\Graph the equations
,
.
Observe the graph:
\The equation
is upper curve and
is lower curve on
and
is upper curve and
is lower curve on
.
The two curves are intersected at
,
and
.
(b)
\Find the points of intersection.
\

and
.
on interval
and
on interval
.
The area between two curves is
.



.
(c) Estimate the area by using graph:
\Observe the graph:
\The area bounded between two curves is
.
(a) Graph of the equations
and
.
(b) The area bounded between two curves is
sq units.
(c) The area bounded between two curves is
.