7. Dennis checks his bank account at the end of the year
and realizes that he has $50,000. The following year he
will deposit $60 every week.
Part A: If x represents the number of weeks, express in
function notation, the amount of money Dennis will have
in his account at the end of the following year.
Part B: To start a business, Dennis needs $51,440. How
many weeks will it take Dennis to have enough money to
start his business?