2. The finance department of a car company conducted a study of their weekly sales in the past years, and came out with the following approximating func- tion: = 12.18 cos(0.88t - 7.25) + 20.40, t 0, where s(t) represents weekly car sales in million pesos at week t (t =o repre- sents the start of the study). a. Find the weekly sales at the start of the study b. Find the projected maximum and minimum weekly sales of the company. c. If the company were able to reach its maximum sales this week, when will the next projected maximum weekly sales and upcoming projected minimum weekly sales be?

Calculus: Early Transcendentals
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Chapter1: Functions And Models
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2. The finance department of a car company conducted a study of their
weekly sales in the past years, and came out with the following
approximating func- tion:
s(t) = 12.18 cos(0.88t - 7.25) + 20.40, t> 0,
%3D
where s(t) represents weekly car sales in million pesos at week t (t
= o repre- sents the start of the study).
a. Find the weekly sales at the start of the study
b. Find the projected maximum and minimum weekly sales of
the company.
c. If the company were able to reach its maximum sales this week, when will
the next projected maximum weekly sales and upcoming projected
minimum weekly sales be?
d. After the start of the study, when did the company experience a weekly
sales of only 1o million for the first time?
Transcribed Image Text:2. The finance department of a car company conducted a study of their weekly sales in the past years, and came out with the following approximating func- tion: s(t) = 12.18 cos(0.88t - 7.25) + 20.40, t> 0, %3D where s(t) represents weekly car sales in million pesos at week t (t = o repre- sents the start of the study). a. Find the weekly sales at the start of the study b. Find the projected maximum and minimum weekly sales of the company. c. If the company were able to reach its maximum sales this week, when will the next projected maximum weekly sales and upcoming projected minimum weekly sales be? d. After the start of the study, when did the company experience a weekly sales of only 1o million for the first time?
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