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Suppose a fashion company determines the cost, in dollars, of producing x cellphone cases as C(x)=-0.05x2+60x. Find (C(301)-C(300))/(301-300) and interpret its significance. Which of the following options correctly calculates this value?

A) (C(301)-C(300))/(301-300)
B) (-0.05(301)2+60(301)-(-0.05(300)2+60(300)))/(301-300)
C) (-0.05(301)2+60(301))/(301-300)
D) (-0.05(300)2+60(300))/(301-300)

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