HEL (reposting since pic was blurry)

We just started the introduction into circles and i have no idea how to do this.

Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?

Identify the parent function that can be used to graph the function f(x)=3(x-9)2