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Home > PC > Chapter 6 > Lesson 6.1.1 > Problem 6-13

6-13.
  1. Consider the function f(x) = −(x − 1)2 + 7 for 1 ≤ x ≤ 4. Homework Help ✎

    1. No Calculator iconWrite the sum to find the area under the curve using left-hand endpoints and rectangles with widths of 1. 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.

    2. Write the sum using sigma notation.

f(1) + f(2) + f(3)