Question: Previous Pre (1 point) Consider the function f(x) = -2x3 + 33x2 - 144x + 6. (a) Find all critical numbers c off. c =

Previous Pre (1 point) Consider the function f(x) = -2x3 + 33x2 - 144x + 6. (a) Find all critical numbers c off. c = (b) f is increasing for x E (c) f is decreasing for x E Note: Input U, infinity, and -infinity for union, co , and -co, respectively. If there are multiple answers, separate them by commas. If there is no answer, input none

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