If the derivative of a function is given by f '(x) = x(x - 2)(x + 6), then for what values of x is f(x) decreasing? Select only ONE answer below. 1. -2< X < 0 and x > 6 2. x < 0 3. x < -6 and 0 < x < 2 4. -6 < x < 2 5. x < -6 and x > 2 6. x < -2 and 0 < x < 6

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