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a) find the intervals on which f is increasing or decreasing.

Is it ....f is decreasing on the intervals (- infinity, -1) and (1, infinity)...f is increasing on the interval (-1, 1).......

b)find the local min and max values of f..

For f(-1) I got undefined...
f(1)=1/4.......

What is the max? Min?

c) find the intervals of concavity and the inflection points.

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Is there a function being evaluated?

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