3 A cubic function is graphed on the set of axes below. N →X 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)​