# Calculus

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The Picture It frame company determines that the cost function for its new make-at-Home picture frame is: C(x)= 60x + 72,000, where x is the number of frames produced and C(x) is the cost in dollars. The revenue function for the same freame is: R(x)=(-x^2/30)+200x. Deterimine the profit function, P(x) and the marginal profit function, MP(x). Evaluate and interpret MP(500).

if n = 1,2,3,4... how do you get to 5,1,5,1...

I'm sorry I don't follow you..?

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