what is the end behavior of the graph? responses as x approaches infinity, f(x) approaches negative infinity. as x approaches negative infinity, f(x) approaches infinity. as x approaches infinity, f open argument x close argument approaches negative infinity., , as x approaches negative infinity, f open argument x close argument approaches infinity., , , as x approaches infinity, f(x) approaches infinity. as x approaches negative infinity, f(x) approaches infinity. as x approaches infinity, f open argument x close argument approaches infinity., , as x approaches negative infinity, f open argument x close argument approaches infinity., , , as x approaches infinity, f(x) approaches infinity. as x approaches negative infinity, f(x) approaches negative infinity. as x approaches infinity, f open argument x close argument approaches infinity., , as x approaches negative infinity, f open argument x close argument approaches negative infinity., , , as x approaches infinity, f(x) approaches negative infinity. as x approaches negative infinity, f(x) approaches negative infinity. as x approaches infinity, f open argument x close argument approaches negative infinity., , as x approaches negative infinity, f open argument x close argument approaches negative infinity., , , x and y axes with no grid or numbers. y-axis is labeled as f of x. a curve enters the second quadrant, crosses the x axis, curves to the right, crosses the y axis, curves back down, and exits the fourth quadrant.