### Home > APCALC > Chapter 2 > Lesson 2.2.3 > Problem 2-84

2-84.

Write a Riemann sum for a general function to estimate the area under the curve for

*left endpoint rectangles of equal width if:*

rectangles

rectangles

rectangles

General form of left-endpoint Riemann Sum:

represents number of rectangles.

*represents starting value on the*

*-axis.*

*represents ending value on the*

*-axis.*