The functions are
and
. (a)
Graph :
\Graph the functions
and
.
\ \
Observe the graph :
\The area of the region bounded by the two curves is
.
(b)
\Evaluate the integrals
and
.
Consider
.


.
Consider
.


.
Therefore,
and
.
(c)
\If
and
are continuous on
and
for all
in
, then the area of the region bounded by the graphs of
and
and the vertical lines
and
is
.
The area between the two curves
and
is
.
substitute
and
.
.
Therefore,
.
(d)
\The functions are
and
.
Find
.
.
.
Evaluate
.




.
(e)
\If
and
are continuous on
and
for all
in
, then the area of the region bounded by the graphs of
and
and the vertical lines
and
is
.
(a)
\Graph :
\Graph the functions
and
.
.gif\")
Observe the graph :
\The area of the region bounded by the two curves is
.
(b)
and
.
(c)
.
(d)
.
(e) If
and
are continuous on
and
for all
in
, then the area of the region bounded by the graphs of
and
and the vertical lines
and
is
.