Question: Let f(x) = 3 + 4x -x 3. . Find the open intervals on which f is increasing (decreasing). Then determine the x -coordinates of

Let f(x) = 3 + 4x -x^3.. Find the open intervals on which f is increasing (decreasing). Then determine the x -coordinates of all relative maxima (minima).

1) f is increasing on the intervals

2) f is decreasing on the intervals

3) The relative maxima of f occur at x =

4) The relative minima of f occur at x =

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