The function is
.
Observe the graph:
\The region bounded between
and
.
Area of the region:
\If
is continuous and non-negative on the closed interval
, then the area of the region bounded by the graph
, the
-axis and the vertical lines
and
is given by area
.
Area of the region is
.
Apply formula:
.






.
sq units.
sq units.
Verify the result by using graph.
\Graph the function
on
.
Observe the graph:
\
sq units.
sq units.