Tonya plans to join a fitness club. She researched the costs to join different clubs in her area and found that there is a linear relationship between the total cost of belonging to a club and the number of months that you are a member. Each club charges monthly dues, and some clubs require new members to also pay a one-time membership fee. The total costs of being a member for 6 months, 12 months, and 24 months at each of three clubs are shown in the table.
Total Cost of Fitness Club Membership
Length of membership
How many of the clubs require new members to pay a one-time membership fee?
The correct answer is b
b because it’s the only one that doesn’t double in value