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Unformatted text preview: (1-10 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 de-preciation 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 2-24 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 2-2 x + 1 and y = 13-x 2 answer the following. 1 (a) Sketch the graphs of the curves (on the same coordinate plane). (b) Find the x-coordinates 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