Calculate the left-endpoint Riemann sum with equal subintervals that approximates

MATHEMATICS · Subjective · AP · Calculus AB · Integration and Accumulation of Change · Integration and Accumulation of Change

Problem

Calculate the left-endpoint Riemann sum with

4

equal subintervals that approximates

\displaystyle \int_{0}^{2} \bigl(x^{2}+1\bigr)\,dx

. Give your answer as a decimal.