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4 Question 3, 4.4.7 HW Score: 71.5%, 3.58 of 5 Part 1 of 3 points Points: 0.2 of 1 David has 280 yards of fencing
4 Question 3, 4.4.7 HW Score: 71.5%, 3.58 of 5 Part 1 of 3 points Points: 0.2 of 1 David has 280 yards of fencing and wishes to enclose a rectangular area. (a) Express the area A of the rectangle as a function of the width W of the rectangle. (b) For what value of W is the area largest? (c) What is the maximum area?1.5 Question 7, 4.5.35 HW Score: 81.63%, 5.71 of 7 O Part 1 of 2 points Points: 0 of 1 Save Suppose that the manufacturer of a gas clothes dryer has found that when the unit price is p dollars, the revenue R (in dollars) is R(p) = - 2p + 6,000p (a) At what prices p is revenue zero? (b) For what range of prices will revenue exceed $800,000
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