If Q(x) =  x^3 − 25x + 100 is the cost per item of producing x-items. Is the cost per item increasing or decreasing when you produce 15 items?

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A: We will find the required information as shown below

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A: We can use the application of derivative in order to solve the given problem.

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Q: 2) Find all relative extrema of ƒ(x)= x* – 4x³

A: Answer

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A: NOTE: Refresh your page if you can't see any equations. . the cost function is the average cost…

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Q: Suppose that c(x) = x³ – 20x2 + 20, 000x is the cost of manufacturing x items. Find the production…

A: As per our guidelines, we are supposed to solve only first question. Kindly repost other question as…