Jobie starts with $325 in her piggy bank. Each month she adds $10.

Which recursive function rule models the total amount in Jobie’s piggy bank at the end of each month?

A). an=325⋅an−1 and a1=10

B). an=10+an−1 ​ and a1=325

C). an=325+an−1 and a1=10

D). an=10⋅an−1 ​ and a1=325