The graph starts (0, 5,000) and ends at (45,40,000)

(1 point) From the textbook: The graph of the balance of a savings account, B, at time t years is shown in the graph below (click on the graph to get a larger image): (a) What was the original deposit? (b) Estimate the balance in the account after 20 years. (c) After how many years does the balance reach 25000 dollars (round to nearest year)? Note: You can earn partial credit on this