The function f(x) is defined below. What is the end behavior of f(x)? f(x)=2520+3x^3-291x-219x^2+3x^4
as x→∞,y→−∞ and as x→−∞,y→∞
as x→∞,y→∞ and as x→−∞,y→−∞
as x→∞,y→−∞ and as x→−∞,y→−∞
as x→∞,y→∞ and as x→−∞,y→∞
pick one above ^