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Unformatted text preview: If one travels north at 15 miles per hour and the other travels east at 20 miles per hour, what is the rate of change of the distance between them after 2 hours? Example 3. Suppose that for a company manufacturing transistor radios, the cost, revenue, and the proļ¬t equations are given by C ( x ) = 5 , 000 + 2 x, R ( x ) = 10 x. 001 x 2 , P ( x ) = R ( x )C ( x ) , where the production output in 1 week is x radios. If production is increasing at the rate of 500 radios per week when producing is 2,000 radios, ļ¬nd the rate of increasing in (A) Cost, (B) Revenue (C) Proļ¬t? 2...
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 Fall '09
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 Math, Derivative, Imperial units, manufacturing transistor radios

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