Find the first 4 term and the 10th term of 2n-1

Which of the following represents the range of the graph of f(x) below

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 ?

Plot the intercepts to graph the equation