Question #17243

Suppose that for a company manufacturing calculators, the cost, and revenue equations are given by
C=70000+30x, R=200−(x^2/20)
C=70000+30x,R=200−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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