Hey brothers and sisters can I get some help, please?
 Grandma’s favorite cheese is on sale for $6 a pound. Grandma wants to write a function that will help her determine the cost of purchasing different amounts of this cheese.
 Which of the following functions represents this scenario?
 A.y = x 1/6
 B.y = 6x
 C.y = x + 6
 D.y = x - 6