Janethsalundagit66go Janethsalundagit66go Math Answered buy some rules?Tunctionb. Rangec. Ded.Which of the following relations is/are functiea. X = {(1,2), (3,4), (1,7), (5,1)}b. g = {(3,2), (2,1), (8,2), (5,7)c. h = {(4,1), (2,3), (2, 6), (7, 2)}d. y = {(2,9), (3,4), (9,2), (6,7)}