(See 89.) The marginal cost C (in dollars) of
Chapter 3, Problem 90(choose chapter or problem)
(See 89.) The marginal cost C (in dollars) of manufacturing x cell phones (in thousands) is given by C(x) = 5x2 - 200x + 4000 (a) How many cell phones should be manufactured to minimize the marginal cost? (b) What is the minimum marginal cost?
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