Use the following figure which shows a graph of fx to find e

Use the following figure, which shows a graph of f(x) to find each of the indicated integrals.

Note that the first area (with vertical, red shading) is 33 and the second (with oblique, black shading) is 3.

Solution

(A) -33

(B) 3

(C) -33 + 3 = -30

(D) 33 + 3 = 36