f:x➡-2x-1 dengan daerah asal (0,1,2,3,4).daerah hasilnya adalah

f(x) = - 2x - 1
Daerah asal = (0, 1, 2, 3, 4)
f(0) = - 2(0) - 1 = 0 - 1 = - 1
f(1) = - 2(1) - 1 = - 2 - 1 = - 3
f(2) = - 2(2) - 1 = - 4 - 1 = - 5
f(3) = - 2(3) - 1 = - 6 - 1 = - 7
f(4) = - 2(4) - 1 = - 8 - 1 = - 9

Daerah hasil = (-1, -3, -5, -7, -9)