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
:
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.