### Home > APCALC > Chapter 4 > Lesson 4.1.1 > Problem 4-11

4-11.

Write a Riemann sum that approximates the area under the curve for rectangles given

*. Then approximate the area using at least four different values of*

*. For what value of*

*is your approximation most accurate and why?*

General form of left-endpoint Riemann sum: