8. Get Fit, Power House, and Fitness Frenzy are competing gyms that are trying to recruit new members. They all have new deals to attract customers. Get Fit: $35 one-time registration fee and $5 for every time you visit Power House: $40 one-time registration fee and $4 for every time you visit Fitness Frenzy: No sign-up fee! Pay $15 a month. Consider the graphs that represent the cost of attending a gym for the first month if you visit times, for each gym. a. Which gym's graph, if any, would represent a horizontal line? Explain. b. Which gyms' graphs, if any, would represent perpendicular lines? Explain. c. Come up with a pricing scheme for a new gym, Run Around the Clock, so that the graph of monthly cost of attending the gym times is parallel to that of Power House