The amount in Ebony's bank account B(d) is a function of the number of days d since she opened the account.

The graph segments representing her day-by-day bank balance.

The amount in Ebonys bank account Bd is a function of the number of days d since she opened the account The graph segments representing her daybyday bank balanc class=
The amount in Ebonys bank account Bd is a function of the number of days d since she opened the account The graph segments representing her daybyday bank balanc class=