Noah is depositing money in his account every week to save money. The graph shows the amount he has
saved as a function of time since he opened his
account.
Elena opened an account the same day as Noah. The
amount of money E in her account is given by the
function E= 8w + 60, where w is the number of weeks
since the account was opened.

1.Who started out with more money in their account? explain how you know
2.who is saving money at a faster rate? explain how you know
3.how much will noah save over the course of a year if he does not make any withdrawals? How long will it take Elena to save that much?