Which of the given functions could this graph represent? A. f(x) = x(x − 1)(x − 2)(x + 1)(x + 2) B. f(x) = x(x − 1)(x + 1) C. f(x) = (x − 1)(x − 2)(x + 1)(x + 2) D. f(x) = x(x − 1)(x − 2)