Video solusi : Perhatikan pasangan fungsi f dan g berikut ini.(1) f = {(1,5),(2,6),(3,6),(4,7)} dan g = {(5,9),(6,8),(7,9)} (2) f = {(1,5),(2,5),(3,6),(4,6)} dan g = {(7,9),(8,10)} (3) f = {(1,5),(2,6),(3,6),(4,7)} dan g = {(5,9),(6,10),(7,11)} (4) f = {(1,5),(2,5),(3,5),(4,5)} dan g = {(6,9),(8,10)} Fungsi gof terdefinisi pada pasangan ....