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
.
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
.