Hi I really need help with this question please Giving 25 POINTS!! what is the end behavior of the graph of f(x)=-3x^5+4x^4+15x^3-20x^2-12x+16?

A)As x approaches infinity, f(x) approaches infinity
As x approaches negative infinity, f(x) approaches infinity

B)As x approaches infinity, f(x) approaches negative infinity
As x approaches negative infinity, f(x) approaches infinity

C)As x approaches infinity, f(x) approaches infinity
As x approaches negative infinity, f(x) approaches negative infinity

D)As x approaches infinity, f(x) approaches negative infinity
As x approaches negative infinity, f(x) approaches negative infinity