Translate to an algebraic expression. alex had x dollars before spending $16.50 for a book. how much did he have after the purchase?

Which function is represented by the graph

Chanelle deposits $7,500 into the bank. she does not withdraw or deposit money for 6 years. she earns 6% interest during that time. what will the balance be when she is finally able to withdraw her money?

The equation respenting the left table is