Mathematics, 21.07.2019 09:00 babygirl123468

Suppose that the dollar cost of producing x radios is c(x) = 400 + 20x - 0.2x 2. find the marginal cost when 30 radios are produced.

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Suppose that the dollar cost of producing x radios is c(x) = 400 + 20x - 0.2x 2. find the marginal c...