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Mathematics 7 Online
OpenStudy (anonymous):

The weekly cost C of producing x units in a manufacturing process is given by C(x) = 60x + 750. The number of units x produced in t hours is given by x(t) = 50t. (Cox)(t) = 3000t+750. The question is, find the number of units produced in 4 hours.

OpenStudy (anonymous):

So I plugged in 3000(4)+750 and got 12750 but the correct answer is 200. Can someone explain it?

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