Asequence {an} is generated by the recursive formulas a1 = 5 and an = an-1 + 5(-1)n. find, a343, the 343rd term of the sequence

James is playing his favorite game at the arcade. after playing the game 3 times, he has 8 tokens remaining. he initially had 20 tokens, and the game costs the same number of tokens each time. the number t of tokens james has is a function of g, the number of games he plays. write the function’s formula? t=