4)
\Step 1:
\The curve equations are and
.
Graph the functions and
.
Shade the required region.
\Observe the graph :
\Region enclosed by the given curves is between and
.
Step 2:
\Area between the curves and
and between
and
is
.
Here and
.
Area of the region , .
Area of the region is sq-units.
Solution:
\Area of the region is sq-units.