Multiple Choice
The daily sales S (in thousands of dollars) that are attributed to an advertising campaign are given by where t is the number of weeks the campaign runs. Find the rate of change of sales at any time t and use the second derivative to find how this rate is changing at
. Round your answer to four decimal places, when applicable.
A)
B)
C)
D)
E)
Correct Answer:

Verified
Correct Answer:
Verified
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