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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
Transcribed Image Text:Step 5
Finally, we substitute foru to write the answer in terms of x. Use C for the constant of Integration.
1
dx
+ C

Transcribed Image Text:An excellent fim with a very small advertising budget must depend largely on word-of-mouth advertising. In this case, the rate at which weekly attendance might grow can be glven by
dA
-200
8000
(t+20
where t is the time in weeks since release and A is attendance in milons.
dt
(t+ 20y
(a) Find the function that describes weekly attendance at this film. (Assume A(0)-0.)
-200 +4000
+ 20 3
(b) ind the attendance at this film in the sixth week. (Round your answer to one decimal place.)
1100.77
X million
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