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Unformatted text preview: (110 x 5 ) dx 5. (15 points) A local tool and die company wants to know how much it costs to keep a machine running in their shop. Taken into consideration are all expenses associated to owning and operating the machine, including depreciation due to wear and tear and necessary maintenance costs. Suppose that for a machine which has been in service for t months, expenses cost the company a rate of t 224 t + 250 dollars per month. If a machine has been in service for 12 months, nd the total expenses of keeping it running for an additional 18 months. 6. (20 points) For the curves y = x 22 x + 1 and y = 13x 2 answer the following. 1 (a) Sketch the graphs of the curves (on the same coordinate plane). (b) Find the xcoordinates of the points where the curves intersect. (c) Find the area of the region bounded by the curves. 2...
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 Spring '08
 STAFF
 Calculus

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