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September 15, 2014

September 15, 2014

Posted by **piper** on Thursday, April 8, 2010 at 11:05am.

C= (a/q) + b

where a and b are positive constants

a.Find the rate of change of C as q increases. What are its units?

b. Currently, 5000 phones are being made and production is increasing at a rate of 100 cell phones per week. How fast is the average cost changing if a = 200000? Is the average cost increasing or decreasing?

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