Which of the following sets of ordered pairs represents a

Last updated: 7/24/2022

Which of the following sets of ordered pairs represents a function? { (6,6), (9,-1), (9,1), (1,7), (1,-7) } {6,3,9,-1,1,7,4,-4,7,8} { (6,3), (9,-1), (1,7), (4,-4), (7,8) } { (6,3), (6,-1), (6,7), (6,-4), (6,8) }