Cost and revenue function, calculate the intervals where the profit is increasing?C(x) = 0.32x^2 - 0.00004x^3
R(x) = 0.848x^2 - 0.0002x^3
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the profit function is the difference between cost and revenue, so
simplify terms in brackets...
now can you use the methods you have been taught to find the values of x where P(x) is increasing?
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