6 6 The Total Profit From Selling X Units Of Cookbooks Is P X 8x 5 9x 6 Find The Marginal Average Profit Fu 1 (83.59 KiB) Viewed 18 times
6) 6) The total profit from selling x units of cookbooks is P(x) = (8x - 5)(9x - 6). Find the marginal average profit function. A) 72x - 30 30 B) 72- C) 72% - 93 93 x2 D) 72 - x2
7) 7) Suppose that the amount in grams of a radioactive substance present at time t (in years) is given by A(t) - 120e - 48t Find the rate of change of the quantity present at the time when t = 6, A) -3.2 grams per year B) -17.7 grams per year C) 3.2 grams per year D) 17.7 grams per year
8) Determine the location of each local extremum of the function. 8) F(x) = x3 + 3.5x2 + 2x - 3 A) Local maximum at 1; local minimum at 0.67 B) Local maximum at 3; local minimum at 2 C) Local maximum at -2; local minimum at D) Local maximum at - ş; local minimum at -1 -1
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