The set of ordered pairs in the mapping below can be described as which of the following? a) both a relation and a functionb) a function only c) a relation only d) neither a relation or a function

Problem 3 a bank charges a service fee of $7.50 per month for a checking account. a bank account has $85.00. if no money is deposited or withdrawn except the service charge, how many months until the account balance is negative