Which of the following is the graph of the rational function? y=x2+2x−8x2−9 (1 point) Responses Image with alt text: The graph of a rational function is shown. Image with alt text: The graph of a rational function is shown. It has vertical asymptotes at x equals negative 3 and x equals 3 and a horizontal asymptote at y equals 1. The graph has three parts. Moving from left to right, each part of the graph moves in a positive direction. Image with alt text: The graph of a rational function is shown. It has vertical asymptotes at x equals negative 3 and x equals 3 and a horizontal asymptote at y equals 1. The graph has three parts. Moving from left to right, each part of the graph moves in a negative direction.