Fitness Center A charges it members $32 per month with a start-up fee of $100. The membership cost of Fitness Center B is shown in the table. Assume each relationship is linear. Compare the functions' initial values and rates of change. Number of months, x : 2,3,4
Total cost ($), y : 80,120,160

The initial value for fitness center A is :
The initial value for fitness center B is :
The rate of change for fitness center A is :
The rate of change fot fitness center B is :
Compare the total cost after 4 months at both centers. Which center is the cheapest?