An inner-city revitalization zone is a rectangle that is twice as long as it is wide. The width of the region is growing at a rate of 44 m per year at a time when the region is 410 m wide. How fast is the area changing at that point in time?

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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29
[Select]
A. d
-
B. d = 4x d
dx
dy
dt
dt
C.
2x² dx
dt
D.
dA
dt
dA
dt
2x² dx
dt
||
-
dt
V . What is the appropriate equation for the missing rate?
Transcribed Image Text:[Select] A. d - B. d = 4x d dx dy dt dt C. 2x² dx dt D. dA dt dA dt 2x² dx dt || - dt V . What is the appropriate equation for the missing rate?
An inner-city revitalization zone is a rectangle that is twice as long as it is wide. The width
of the region is growing at a rate of 44 m per year at a time when the region is 410 m
wide. How fast is the area changing at that point in time?
Transcribed Image Text:An inner-city revitalization zone is a rectangle that is twice as long as it is wide. The width of the region is growing at a rate of 44 m per year at a time when the region is 410 m wide. How fast is the area changing at that point in time?
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