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Mathematics 8 Online
OpenStudy (anonymous):

If the cost of manufacturing x items is c(x) = x^3 + 20x^2 + 90x + 15 , find the marginal cost function and compare the marginal cost at x = 50 and the actual cost of manufacturing the 50th item.

OpenStudy (anonymous):

@electrokid can u help?

OpenStudy (anonymous):

Marginal cost is the derivative, so calculate c'(50). Actual cost of manufacturing the fiftieth item is c(50)-c(49).

OpenStudy (anonymous):

umm i dont get it

OpenStudy (anonymous):

@satellite73 can u help?

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