Marisol wants to start saving money for college. She sees the advertisement below in her local newspaper.
For x dollars in this savings account, I(x)=1.047 x is the value of the account after one year. B(x)=x+50 is the value of the account after the one-year bonus. (B ° I)(x) models the value of this account after one year of investment time and the one-year bonus. Marisol opens a savings account by depositing $ 120 . What is the value of the account after one year?