A fitness club offers a membership that costs $75 for the first 3 months and $20 for each additional month. The total cost , in dollars, for a membership of months, where , can be expressed as . What does the value of represent in this context?
The cost for the first month.
The total cost for the first 3 months.
The effective initial fee if the monthly rate applied from the first month.
The cost per additional month.
