Suppose f(x)=x^2/12 (a) The rectangles in the graph on the left illustrate a left endpoint Riemann sum for f(x)f(x) on the interval 4≤x≤6 The value of this left endpoint Riemann sum is___________, and it is an ____________ (over estimate of, equal to, under estimate of, there is ambuigity) the area of the region enclosed by y=f(x)y=f(x), the x-axis, and the vertical lines x=4x=4 and x=6x=6.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.1: Infinite Sequences And Summation Notation
Problem 3E
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  Suppose f(x)=x^2/12

(a) The rectangles in the graph on the left illustrate a left endpoint Riemann sum for f(x)f(x) on the interval 4≤x≤6 The value of this left endpoint Riemann sum is___________, and it is an ____________ (over estimate of, equal to, under estimate of, there is ambuigity) the area of the region enclosed by y=f(x)y=f(x), the x-axis, and the vertical lines x=4x=4 and x=6x=6.

(b) The rectangles in the graph on the right illustrate a right endpoint Riemann sum for f(x)f(x) on the interval 4≤x≤6 The value of this right endpoint Riemann sum is___________, and it is an_______________ (overestimate of, equal to, underestimate of, there is ambiguity) the area of the region enclosed by y=f(x)y=f(x), the x-axis, and the vertical lines x=4x=4 and x=6x=6.
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Left endpoint Riemann sum
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Transcribed Image Text:8 7 6 5 4 3 2 1 F 1 2 3 4 5 6 7 8 Left endpoint Riemann sum x
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Right endpoint Riemann sum
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Transcribed Image Text:8 7 6 5 4 3 2 1 9 1 2 3 4 5 6 7 8 Right endpoint Riemann sum X
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