Mariapasatiempo2007go Mariapasatiempo2007go Math Answered 12. Which of the relation below is a function?a. {(2, 3), (3, 4), (5, 1), (2,4)} c. {(2,3), (3, 4), (6,2), (3, 3)}b. {(2, 3), (3, 4), (6,2), (7,3)} d. {(2,3), (3, 4), (6,2), (6,3)}