12. Write an equation for the graph of the rational function shown. Explain your reasoning. . -5 7 7 -2 5 + 3 2. -2 -3- x ID: A = 2x+4 x-1 a by rewriting it in the form of y = x-h 13. Sketch the graph of y +k. Identify any asymptotes, points of discontinuity, and intercepts. Determine also the domain and range of the function. -8 9 y 4 2 -6 -4 -2 2 4 2 4 4 -6. 8 Asymptote(s): Point(s) of discontinuity: x-intercept(s) and y-intercept: Domain and range: