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Unformatted text preview: Three sides of the enclosure will be built of chainlink fencing, at a cost of $15 per running foot. The fourth side will be built of cement blocks, at a cost of $20 per running foot. The owner wants to minimize the total cost of building the enclosure. (a) Draw a picture, assigning variable names to the dimensions. (b) Give the objective equation. (c) Give the constraint equation. (d) Find the dimensions that minimize the costs. 4. A club oers memberships at the rate of $300 per person, provided that a minimum of 100 people join. For each member in excess of 100, the membership fee will be reduced $2 per person (for each member). How many memberships should the club try to sell in order to maximize its revenues? 1...
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 Spring '08
 STAFF
 Calculus

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