Consider your answer to 1-26(d).
Vertical asymptotes are lines with undefined slopes. Their equations are of the form: x = k where k is a constant.
Consider the horizontal lines that you found in problem 1-22(b).
Horizontal asymptotes are lines with 0 slope. Their equations are of the form: y = 0x+b or y = k, where k is some constant.
Use the eTool below to view the graphs.
Click the link at right for the full version of the eTool: Calc 1-27 HW eTool