### Home > APCALC > Chapter 7 > Lesson 7.2.4 > Problem 7-93

7-93.

Brooke and Anne came across this integral: . Who is correct and why?

An integral is the sum of infinitely many rectangles with infinitely small widths.

The base of each rectangle is represented as . The height is the integrand.

Though you cannot see the integrand, it is there.