0 a y = f(x) R b r

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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y = f(x)
b
X
Determine the truth of the following statement and why your reason is correct.
If R is rotated around the x-axis, then the volume of the resulting solid is given by V=
v=["x[f
n[f(x)]²dx
False. After rotating the region, the cross-section of the resulting solid will have a radius parallel to the x-axis so we need to write this function in terms of y before proceeding.
O True. After rotating the region, the cross-section of the resulting solid will be squares with side length f(x).
O True. Once we have rotated the region, the cross-section of the resulting solid will appear as discs with a radius perpendicular to the x-axis given by f(x).
O False. The endpoints of the integral should be flipped in order to guarantee the volume is positive.
Transcribed Image Text:0 y = f(x) b X Determine the truth of the following statement and why your reason is correct. If R is rotated around the x-axis, then the volume of the resulting solid is given by V= v=["x[f n[f(x)]²dx False. After rotating the region, the cross-section of the resulting solid will have a radius parallel to the x-axis so we need to write this function in terms of y before proceeding. O True. After rotating the region, the cross-section of the resulting solid will be squares with side length f(x). O True. Once we have rotated the region, the cross-section of the resulting solid will appear as discs with a radius perpendicular to the x-axis given by f(x). O False. The endpoints of the integral should be flipped in order to guarantee the volume is positive.
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