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Calculus1 15 Online
OpenStudy (anonymous):

Let a be a given real number such as a> 2. Let the function f: R → R be defined by f (x) = | x | • (a + x) a) Find the zeropoint. Are there points where f is not differentiable? b) Determine where f increases and decrease, and provide any local and global extremal and its extreme values. c) Determine where f is convex and concave, and provide any turning points.

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