The function is
and
.
Differentiate on each side with respect to
.

Find slope.
\Substitute
in the derivative function.

The slope of the function is
.
Find tangent line.
\The line equation is
.
Substitute point
and slope
in the line equation.

The tangent line is
.
Find the intersection points.
\Graph:
\Graph the function
and the tangent line
:
.gif\")
Observe the graph:
\The point of intersection are
and
.
Find area of region:
\Area of the region is
.


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