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