Which of the following is a polynomial function in factored form with zeros at –6, –2, and 3?


f(x) = (x – 6)(x – 2)(x + 3)


f(x) = (x + 6)(x + 2)(x – 3)


f(x) = x3 + 5x2 – 12x – 36


f(x) = x3 – 5x2 – 12x + 36