Which of the following is a polynomial function in standard form with zeros at –6, 2, and 5? f(x) = x^3 – x^2 – 32x + 60 f(x) = x^3 + x^2 – 32x – 60 f(x) = (x – 6)(x + 2)(x + 5) f(x) = (x + 6)(x – 2)(x – 5)