Need help urgently extra points and mark brainlist

The table shows the balance of a money market account over time. write a function that represents the balance y(in dollars) after t years.

Amovie streaming service charges it’s customers $15 a month. martina has $98 saved up. will she have any money left over if she pays for the maximum amount of months she can afford? explain.

You have 138.72 in your saving account u take out 45.23 and 18.00 you deposit 75.85 into your account