Consider the function whose graph is shown here.
could correspond with this graph?

My options are
1) f(x) = x^4 - 6x + 5
2) f(x) = x^2 + 6x + 9
3) f(x) = x^3 - 2x^2 - 9 - 15
4) f(x) = x^4 + 7x^3 - x^2 + 2x - 1