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Unformatted text preview: Winchell, Daniel Homework 12 Due: Nov 14 2006, 3:00 am Inst: Karakhanyan 1 This print-out should have 15 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. The due time is Central time. 001 (part 1 of 1) 10 points A company manufacturing cars at plant A in Detroit and plant B in St. Louis has found that its total cost function is C = x 2 + 2 y 2 + 2 xy + 70 x + 30 y + 50 when x cars are produced at plant A and y at plant B . What production level at plant A should the company set to minimize the costs of pro- duction when filling an order for 50 cars? 1. prod plant A = 30 2. prod plant A = 20 3. prod plant A = 15 4. prod plant A = 35 5. prod plant A = 25 002 (part 1 of 1) 10 points A company manufacturing lawn-mowers find that its weekly cost and demand equa- tions are C ( x ) = 40 + 24 x, p ( x ) = 40- x 3 when it sells x lawn-mowers per week. If the company can sell all the lawn-mowers it manufactures, determine the maximum profit from the sale of these lawn-mowers. 1. maximum profit = $925 2. maximum profit = $920 3. maximum profit = $935 4. maximum profit = $930 5. maximum profit = $940 003 (part 1 of 1) 10 points The Green Mountain Inn can rent all its 60 rooms when it charges $66 per night for a room, but the manager wants to increase profits. He finds, however, that for each $2profits....
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