Business Calculus Quiz
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APPLICATIONS OF DERIVATIVES IN BUSINESS
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A company's marginal cost function is MC(x)=6x2−36x+54MC(x) = 6x^2 - 36x + 54. To find where the marginal cost is minimized, the critical points are found by setting MC′(x)=0MC'(x) = 0, which gives x=3x = 3. What additional information is needed to confirm this is indeed a minimum using the second derivative test?
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