please help me A large soft drink company\'s sales vary seasonally, butoverall t

Question

please help me A large soft drink company's sales vary seasonally, butoverall the company is also experiencing a steady growth rate. Thefinancial analysis department has developed the followingmathematical model for sales: S= 5+ t/52 - 4 cos t/26 where S represents sales in millions of dollars for a week ofsales t weeks after January 1. (A) Graph this function for a 3 yr period starting January1. (B) What are the sales for the 26th week in the third year(tothree significant digits)? (C) What are the sales for the 52nd week in the third year( toone significant digit)? please help me A large soft drink company's sales vary seasonally, butoverall the company is also experiencing a steady growth rate. Thefinancial analysis department has developed the followingmathematical model for sales: S= 5+ t/52 - 4 cos t/26 where S represents sales in millions of dollars for a week ofsales t weeks after January 1. (A) Graph this function for a 3 yr period starting January1. (B) What are the sales for the 26th week in the third year(tothree significant digits)? (C) What are the sales for the 52nd week in the third year( toone significant digit)?

Explanation / Answer

I do not have flash so I can not draw the picture. Here is a table of values to plot        t           S(t) weeks 0 1 13 5.25 26 9.5 39 5.75 52 2 65 6.25 78 10.5 91 6.75 104 3 117 7.25 130 11.5 143 7.75 156 4 Yellow areas are answers to b and c

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