(x . Vertical asymptotes occur at restricted values that are still zeros of the denominator after simplification. For example, h ( x ) = X has a vertical asymptote at x = 8. Tulia: I didn Daisy: Tell n FURTHER Your Understanding Tulia: They 1. Identify a rational function whose graph is a horizontal line except for two Daisy: I ha Tulia: Is holes. Graph the function. Daisy: Hol 2. Identify a rational function whose graph lies entirely above the x-axis and has son Tulia: a single vertical asymptote. Graph the function. 3. Identify a rational function whose graph has the horizontal asymptote y = 2 How and two vertical asymptotes. Graph the function