Ikuze1998go Ikuze1998go Mathematics Answered Select Is a Function or Is not a Function to correctly classify each relation. {(3, 2),(6, 4),(9, 6),(12, 8)} {(2, 3),(2, 5),(3, 6),(9, 4)} {(2, 4),(6, 3),(4, 8),(6, 6)} {(3, 4),(5, 2),(6, 8),(6, 4)} Which ones are functions and which ones aren't?