A cubic function is graphed on the set of axes below.

Which function could represent this graph?

(1) f(x) = (x-3)(x - 1)(x + 1)
(2) g(x) = (x+3)(x + 1)(x − 1)
(3) h(x) = (x-3)(x - 1)(x+3)
(4) k(x) = (x+3)(x + 1)(x-3)