A bank's monthly charge for maintaining an account is $.45 for each check written plus a service charge of $12.50. If x represents the number of checks written during the month, which function models this situation?
Question 2 options:
f(x) = 0.45x + 12.50
f(x) = 0.45x -12.50
f(x) = x + 12.50
f(x) = 12.50x + 0.45
1 answer
Option: f(x) = 0.45x + 12.50