The curve equation is
, the line is
and
.
Graph the functions
and
.
Here required region is for
.
Shade the required region.
\
Observe the graph :
\Region enclosed by the given curves, between
and
, then integrate with respect to
.
Determine the area of the region using approximating rectangles.
\Draw the typical rectangles and label its heght and width using graphng utility.
\
Observe the graph:
\Area of the region, 

.
Area of the region is
sq-units.
Area of the region is
sq-units.