Calculus: Early Transcendentals
Calculus: Early Transcendentals
8th Edition
ISBN: 9781285741550
Author: James Stewart
Publisher: Cengage Learning
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3. Consider the region bounded by the \( x\)-axis and the graphs of \( f(x) = 2\sqrt{x+1} \), \( x = 2 \), and \( x = 6 \). Imagine the solid of revolution that results from rotating this region about the \( x\)-axis.

(a) Sketch a graph of the region.

(b) Using the disk method, identify an expression that will represent the radius of each disk in terms of \( x \).

(c) Set up an integral that represents the volume of the solid using the disk method. [NOTE: You do not need to evaluate the integral!]
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Transcribed Image Text:3. Consider the region bounded by the \( x\)-axis and the graphs of \( f(x) = 2\sqrt{x+1} \), \( x = 2 \), and \( x = 6 \). Imagine the solid of revolution that results from rotating this region about the \( x\)-axis. (a) Sketch a graph of the region. (b) Using the disk method, identify an expression that will represent the radius of each disk in terms of \( x \). (c) Set up an integral that represents the volume of the solid using the disk method. [NOTE: You do not need to evaluate the integral!]
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