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Mathematics 7 Online
OpenStudy (anonymous):

RELATED RATES: Problem 7 Previous Problem Problem List Next Problem (3 pts) Suppose that for a company manufacturing calculators, the cost, and revenue equations are given by C=80000+30xR=400−x220 where the production output in one week is x calculators. If the production rate is increasing at a rate of 500 calculators when the production output is 6000 calculators, find each of the following: Rate of change in cost = Rate of change in revenue = Rate of change in profit =

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