Christina wants to get in shape, so she joins a local gym, Buff and Tough. For membership, the gym charges a registration fee plus monthly dues.
This table shows the relationship between the length of Christina's gym membership (in months), x, and the total cost of her membership (in dollars), y.
x (months) y (dollars)
2 $42
3 $58
4 $74
5 $90
According to the values in the table, do x and y have a proportional relationship?
yes
