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4-9.
  1. Write a Riemann sum that finds A(f, −8 ≤ x ≤ 8) for f(x) = 2x1/3 + 1, using the number of rectangles given below. Then evaluate with the summation feature of your calculator. Homework Help ✎

    1. 16 rectangles

    2. 64 rectangles

Let's use right endpoint rectangles:

Let's use midpoint rectangles: