Rudy collects baseball cards, and he currently has 300 cards. starting tomorrow, he will purchase 1 pack of 15 baseball cards every day, and every pack he purchases will contain 1 card of a member of his favorite team. every time rudy purchases a pack of cards, he will immediately trade the card of the member of his favorite team to his brother for 3 cards of members of a different team. which of these recursive formulas produces the sequence that represents the number of baseball cards that rudy will have at the end of each day, starting today?