Question

Theo has $125 dollars in his savings account. He requests that $10

dollars a week be deducted from his paycheck and added to the savings
account.
Find the recursive rule that models the total amount in Theo's savings
account at the end of each week.

Answer 1

The recursive rule is:

�

(

�

)

=

�

(

�

−

1

)

+

10

S(n)=S(n−1)+10, where

�

(

�

)

S(n) is the total amount in Theo's savings after

�

n weeks.

Explanation: