The sales of a product decline after the end of an advertising campaign, with the sales decay given by S = 200,000e−0.7x, where S represents the weekly sales and x represents the number of weeks since the end of the campaign. (a) What will be the sales for the tenth week after the end of the campaign? (Round your answer to two decimal places.) (b) During what week after the end of the campaign will sales drop below 400?
The sales of a product decline after the end of an advertising campaign, with the sales decay given by S = 200,000e−0.7x, where S represents the weekly sales and x represents the number of weeks since the end of the campaign. (a) What will be the sales for the tenth week after the end of the campaign? (Round your answer to two decimal places.) (b) During what week after the end of the campaign will sales drop below 400?
Intermediate Algebra
10th Edition
ISBN:9781285195728
Author:Jerome E. Kaufmann, Karen L. Schwitters
Publisher:Jerome E. Kaufmann, Karen L. Schwitters
Chapter9: Functions
Section9.CT: Test
Problem 16CT
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The sales of a product decline after the end of an advertising campaign, with the sales decay given by
S = 200,000e−0.7x,
where S represents the weekly sales and x represents the number of weeks since the end of the campaign.
(a)
What will be the sales for the tenth week after the end of the campaign? (Round your answer to two decimal places.)
(b)
During what week after the end of the campaign will sales drop below 400?
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