Ruby bought an animal bank for her nephew. She is the only one who puts money in the bank, and no money is taken out. The function f(v) = 10 + 2y describes the amount in the bank after v visits with her nephew. Which statement is true?
1) There was $2 in the bank before the first visit.
2) Ruby puts $10 in the bank each visit.
3) Ruby puts $2 in the bank each visit.
4) There was $12 in the bank before the first visit.