Amembership to the local gym cost $40 and then $2 per visit. what is the maximum number of visits that can be made for $90 and is it modeled by a linear function or a exponential function?

Barney & noblet customers can choose to purchase a membership for $25 per year members receive 10% off all store purchases 1. how much would a member pay per year if he bought $50 worth of items each year? 2. write a slope-intercept equation that expresses how much a member pays per year using x to represent his purchases per year 3. how much would a member have to spend per year to pay off his membership fee?