### Home > PC3 > Chapter 7 > Lesson 7.1.1 > Problem 7-7

7-7.

Consider the function * *for

*.*

Write the sum to calculate the area under the curve using left endpoint rectangles with widths of

. Since you are not using a calculator, be sure you set up your sum to include *all*of the factors. You do*not*need to actually calculate the sum.Write the sum using sigma notation.