Mathematics, 03.09.2020 04:01 umezinwachukwuebuka1

At what value(s) of x does f(x) = -x4 + 2x2 have a critical point where the graph changes from decreasing to increasing? A) 0 and -1 only B) 0 and 1 only C) -1 and 1 only D) 0 only

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At what value(s) of x does f(x) = -x4 + 2x2 have a critical point where the graph changes from decre...