Write an equation for a rational function with the properties as given. a) a hole at x = 1 b) a vertical asymptote anywhere and a horizontal asymptote along the x-axis c) a hole at x = -2 and a vertical asymptote at x = 1 d) a vertical asymptote at x = -1 and a horizontal asymptote at y = 2 e) an oblique asymptote, but no vertical asymptote