### Home > CALC > Chapter Ch2 > Lesson 2.4.1 > Problem 2-140

2-140.

Look at the shaded area beneath each curve. Which sketch most accurately represents the actual area under the curve?

General form for left-endpoint Riemann sum using sigma notation:

2-140.

Look at the shaded area beneath each curve. Which sketch most accurately represents the actual area under the curve?

General form for left-endpoint Riemann sum using sigma notation: