Felicia paid $125 to join tennis club. paid $5 every time she used the court

Question

write an equation that describes Felicia's total cost for playing tennis as a function of the number of times she plays.
let c =the total cost and
let n = the number of times she plays.

Describe the domain and range of the function.

Answer 1

c = 125 + 5n

domain and range are presumably all integers >= 0.

There is probably a practical maximum, as well.

Answer 2

30>n