Calculate the left‐endpoint Riemann sum with subintervals to approximate .

MATHEMATICS · Single correct · AP · Calculus AB · Integration and Accumulation of Change · Integration and Accumulation of Change

Problem

Calculate the left‐endpoint Riemann sum with

n=4

subintervals to approximate

\displaystyle \int_{1}^{3} x^{2}\,dx

. (a)

10.625

(b)

6.75

(c)

13.50

(d)

8.75