Pavan is making monthly payments of $110 to pay a loan of $8140. The function ​ f(x)=−110x+8140f(x)=−110x+8140​ represents the amount he owes after making x payments.


What is the practical domain of function f?


all real numbers from 0 to 8140


all whole numbers from 0 to 74


all multiples of 110 between 0 and 8140


all real numbers from 0 to 74