Question

Help Help Help please!(:
Estimate the area under the graph of f(x) = 2 x^3 + 4 from x = -1 to x = 3, by using 8 approximating rectangles.
Find the total area three ways to approximate the area, by using the right end points, left end points, and mid-points.

Answer 1

\[f(x)= 2x^3 +4\]
in the interval
\[[-1,3]\]

Answer 2

@genius12