hasil dari y=4x-1 (minimal 3 jawaban)

y = 4x -1
misal x = {0,1,2}
jika x = 0 maka y = 4.0 - 1 = -1
jika x = 1 maka y = 4.1 - 1 = 3
jika x = 2 maka y = 4.2 - 1 = 5
jadi HP = {(0,-1),(1,3),(2,5)}