Suppose You Want to Use the Midpoint Rule with N $\int _ { 1 } ^ { 6 } e ^ { - x } d x$

Multiple Choice

Suppose you want to use the Midpoint Rule with n = 4 and equal-length subintervals to approximate $\int _ { 1 } ^ { 6 } e ^ { - x } d x$ ? What is the partition used for this approximation?

A) {1, 7/2, 6}
B) {1, 13/8, 23/8, 33/8, 43/8, 6}
C) {13/8, 23/8, 33/8, 43/8}
D) {9/4, 19/4}
E) {1, 9/4, 7/2, 19/4, 6}