Suppose the total cost C(x) (in dollars) to manufacture a quantity x of weed kil

Question

Suppose the total cost C(x) (in dollars) to manufacture a quantity x of weed killer (in hundreds of liters) is given by the function C(x) = x3 - 2x2 + 9x + 60. Where is C(x) decreasing? Where is C(x) increasing? Select the correct choice below and fill in any answer boxes within your choice. The function is decreasing on the open interval(s) . (Type your answer in interval notation. Use a comma to separate answers as needed.) The function is never decreasing. Select the correct choice below and fill in any answer boxes within your choice. The function is increasing on the open interval(s) . (Type your answer in interval notation. Use a comma to separate answers as needed.) The function is never increasing.

Explanation / Answer

3x*X - 4x + 9 > 0 b) the funnction is never decreasing b) A---- (-infinity , infinity)

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