An advertising agency has found that when it promotes a new product in a certain market, the number of people y (in thousands) who are aware of the product t days after the ad campaign is initiated is...








An advertising agency has found that when it promotes a new product in a certain market, the number of peopley (in thousands) who are aware of the productt days after the ad campaign is initiated is given by


y = −490e−0.077t + 490



(a)


How many people (in thousands) are aware after 1 week?
Round the answer to the nearest whole number.

Hint: 1 week = 7 days

 thousand people




(b)


How long (to the nearest day) before 400 thousand people are aware of the new product?

 days




















Jun 05, 2022
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