Question: Find the critical numbers of the function. (a) f(x) = 4 + 1/3x - 1/2x2 (b) f(x) = 2x3 - 3x2 - 36x (c) g(t)

Find the critical numbers of the function.
(a) f(x) = 4 + 1/3x - 1/2x2
(b) f(x) = 2x3 - 3x2 - 36x
(c) g(t) = t4 + t3 + t2 + 1

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