Let f(x) = 4x. (a) Sketch the region R under the graph of f on the interval [0, 2]. y 8 2 6 1 2 3 4 5 6 7 y O 6 4 2 1 2 3 4 5 6 7 2 0 0 1 2 3 4

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section: Chapter Questions
Problem 32RE
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Let f(x) = 4x.
(a) Sketch the region R under the graph of f on the interval [0, 2].
y
8
2
y
8
6
4
2
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1
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X
y
8
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y
8r
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Transcribed Image Text:Let f(x) = 4x. (a) Sketch the region R under the graph of f on the interval [0, 2]. y 8 2 y 8 6 4 2 1 1 2 2 3 3 4 4 5 5 6 6 7 7 X X y 8 6 4 2 1 2 3 4 5 6 7 2. y 8r 4 2 0 1 2 3 4 5 6
Find its exact area using geometry.
square units
(b) Use a Riemann sum with four subintervals of equal length (n = 4) to approximate the area of R. Choose the representative points to be the left endpoints of the subintervals.
square units
(c) Repeat part (b) with eight subintervals of equal length (n = 8).
square units
(d) Compare the approximations obtained in parts (b) and (c) with the exact area found in part (a). Do the approximations improve with larger n?
O Yes
O No
Transcribed Image Text:Find its exact area using geometry. square units (b) Use a Riemann sum with four subintervals of equal length (n = 4) to approximate the area of R. Choose the representative points to be the left endpoints of the subintervals. square units (c) Repeat part (b) with eight subintervals of equal length (n = 8). square units (d) Compare the approximations obtained in parts (b) and (c) with the exact area found in part (a). Do the approximations improve with larger n? O Yes O No
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