Question: Find the intervals on which f(x) is increasing, the intervals on which f(x) is decreasing, and the local extrema. f (x ) = - 2x2-

Find the intervals on which f(x) is increasing, the intervals on

which f(x) is decreasing, and the local extrema. f (x ) =

Find the intervals on which f(x) is increasing, the intervals on which f(x) is decreasing, and the local extrema. f (x ) = - 2x2- 12x - 20

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