# Calculus

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Question Details:

(a) Estimate the area under the graph of f(x) = 8 + 2x2 from x = -1 to x = 2 using three rectangles and right end-points.
R3 = 1

Improve your estimate by using six rectangles.
R6 = 2

(b) Repeat part (a) using left endpoints.
L3 = 3
L6 = 4

(c) Repeat part (a) using midpoints.
M3 = 5
M6 = 6

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