be a function defined on an interval
. Suppose that:
Then the area of the region defined by
is equal to
The area under the graph of a function.
of the plane region bounded by the
axis, the parabola whose equation is
and the line whose equation is
is given by:
The area under a parabola.
The area between two curves.
The two graphs intersect at
, as shown on Figure 3
. Moreover, the graph