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Find the largest open intervals where the function is concave upward. 20) f(x) = x3 - 3x2 - 4x +5 B ) C) (-00, 1

Find the largest open intervals where the function is concave upward. 20) f(x) = x3 - 3x2 - 4x +5 B ) C) (-00, 1 )

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