### Home > APCALC > Chapter 3 > Lesson 3.4.4 > Problem 3-186

3-186.

Write a Riemann sum to estimate the area under the curve for * *left endpoint rectangles given

*and*

Refer to hints in problem 3-177 for further guidance about computing a left-endpoint Riemann sum.

Without a calculator, it is more time consuming to compute a sum with