After the end of an advertising campaign, the daily sales of a product fell rapi

Question

After the end of an advertising campaign, the daily sales of a product fell rapidly, with daily sales given by S 3300e-0.06x dollars, where x is the number of days from the end of the campaign a. What were daily sales when the campaign ended? b. How many days passed after the campaign ended before daily sales were below half of what they were at the end of the campaign? xtt a. The daily sales when the campaign ended were $3300 (Simplify your answer. Round to the nearest cent as needed.) den b. How many days passed after the campaign ended before daily sales were below half of what they were at the end of the campaign? ts days (Round up to the nearest day.) Final Exam-Due 7/24 03/04/18 11:59pm 1-30 c

Explanation / Answer

S = 3300 e^-0.06x

a) daily sales when the campaign ended was

S = 3300 e^-0.06(0)

S = 3300

daily sales when campaign ended was $ 3300

b)   3300 e^-0.06x < 1/2 ( 3300 )

dividing both sides by 3300

e^-0.06 x = 1/2

-0.06x = ln 1/2

x = 11.55

therefore, 12 days passed

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