Advertising and sales The daily sales S (in thousands of dollars) that are attributed to an advertising campaign are given by
(a) Find the rate of change of sales at any time t.
(b) Use the second derivative to find how this rate changing at t = 15.
(c) Interpret your result in part (b).
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Chapter 9 Solutions
MATHEMATICAL APPL F/MGMT LIFE (LL) FDS
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