Given f(2) = 12, which of the following could be an equation of the function?

a. f(x) = 8x – 2

b. f(x) = 4x + 4

c. f(x) = 6x – 4

d. f(x) = –4x – 4

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