The function 3 y = -x³ (2x – 3)(4x + 3)° is negative on the intervals ) a) x E (-∞, –) and x 4 X 3 E (0, 0) O b) x € (-0∞, –) and x 4 € (글, 0) OdxE (-1, 0) and x € (금, 0) 4 3 OdxE (-8, -를) and x E (0, ) X 3 3

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