Welcome to Bytelearn!

Let’s check out your problem:

Caden's savings account had $A$ in its first year. Each year since then, his account accumulated interest amounting to $r$ of the balance in the previous year. Let $f(n)$ be Caden's account balance at the $n$-th year of the saving. $f(n)$ is a sequence. What kind of sequence is it? Complete the recursive formula for $f(n)$.