Question: In Problem 1-2, find the critical points and use the test of your choice to decide which critical points give a local maximum value and

In Problem 1-2, find the critical points and use the test of your choice to decide which critical points give a local maximum value and which give a local minimum value. What are these local maximum and minimum values?
1. f(x) = x3 - 3x
2. g(x) = x4 + x2 + 3

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