Chapter 5: Integrals - Section 5.1 - Area and Estimating with Finite Sums - Exercises 5.1 - Page 257: 2

estimating the area using the functions

using finite approximations to estimate the area under the graph of the function using a. a lower sum with two rectangles of equal width. b. a lower sum with four rectangles of equal width. c. an upper sum with two rectangles of equal width. d. an upper sum with four rectangles of equal width.