Question: 3. Consider f (x) = x4 - 2x2 + 3. a) Find the intervals on which f is increasing or decreasing. (5 marks) b) Find

3. Consider f (x) = x4 - 2x2 + 3. a) Find the intervals on which f is increasing or decreasing. (5 marks) b) Find the local maximum and minimum values. (4 marks) c) Find the intervals of concavity and the inflection points

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