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December 20, 2014

Homework Help: Calculus

Posted by Ethan on Monday, January 17, 2011 at 1:47pm.

The monthly cost of driving a car depends on the number of miles driven. Lynn found that in May it cost her $410 to drive 300 mi and in June it cost her $470 to drive 600 mi. (a) Express the monthly cost C as a function of the distance driven, d, assuming that a linear relationship gives a suitable model. (b) Use part (a) to predict the cost of driving 1200 miles per month. (c) Draw the graph of the linear function. What does the slope represent?

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