Given that relation S = {(5,-1),(-2,3),(-3,4),(k,1),(2,-2), (-6,0)}. Which of the following values for k will make relation S a function?
(1) -2
(2) -3
(3) 3
(4) 5

The unpaid balance on a mastercard charge was $1,056.23. during the month, payments of $300 and $250 were made and charges of $425 and $274.16 were added. if the finance charge is 1.2% per month on the unpaid balance, find the new balance at the end of the month. $1,205.39 $1,218.06 $918.06 $1,768.06