Question: 1a. For the function f(x) = x 3x 9x, find the intervals where it is increasing, the intervals where it is decreasing, the local

1a. For the function f(x) = x 3x 9x, find the intervals where it is increasing, the intervals where it is decreasing, the local maxima and the local minima.

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Find the first derivative fxdx 3 3x 2 9xdx Using the power rule for differentiation we get fx3x ... View full answer

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