(a) Use Newton's method to find the critical numbers of the function f(x) = x° - x* + 2x3 - 3x correct to six decimal places. (Enter your answers as a comma-separated list.) X = -1.09503, – 0.658367, 0.740344 x (b) Find the absolute minimum value of f correct to four decimal places. -1.5452 Nood Holn?

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