Question: f (x) = 3x3 - 12x2 + 4x - 27 Select the correct statement/s: A. f (x) is linear B. When x=4, the function is

f (x) = 3x3 - 12x2 + 4x - 27 Select

f (x) = 3x3 - 12x2 + 4x - 27 Select the correct statement/s: A. f (x) is linear B. When x=4, the function is decreasing [ C. f(x) is strictly convex on (4/3, co ) (D. f(x) is strictly concave on (-00, 4/3)

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