The daily sales S (in thousands of dollars) that are attributed to an advertising campaign are given by 18 5=17+ (t + 3)

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The Daily Sales S In Thousands Of Dollars That Are Attributed To An Advertising Campaign Are Given By 18 5 17 T 3 1 (37 KiB) Viewed 15 times

The daily sales S (in thousands of dollars) that are attributed to an advertising campaign are given by 18 5=17+ (t + 3)² where t is the number of weeks the campaign runs. (a) Find the rate of change of sales at any time t. St= t+3 (b) Use the second derivative to find how this rate is changing at t= 15. (c) Interpret your result in part (b). The-Select- Need Help? Submit Answer Read it in sales (after 15 weeks) is the amount given in part (b).