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Profit increasing or decreasing

The problem is attached.

The profit P (in dollars) made by a fast food restaurant selling "x" hamburgers is:

P(x) = 2.44x - x^2 / 20,000 - 5000 for 0 <= x <= 35,000

Find the open intervals on which P is increasing or decreasing.


Solution Summary

This shows how to find open intervals for which profit is increasing or decreasing