Which statements correctly describe the graph of the function f(x) = x3 – 2x2 – 19x + 20? check all that apply. 1.as the x-values increase, the y-values always increase. 2.as x approaches negative infinity, y approaches negative infinity. 3.the domain of the function is all real numbers. 4.the range of the function is y 20. 5.the graph has a positive y-intercept.