tolong aku yaa besok kumpul

f(x) = 2x - 3

daerah asal = {1, 2, 3, 4, 5}

f(1) = 2(1) - 3 = 2 - 3 = -1
f(2) = 2(2) - 3 = 4 - 3 = 1
f(3) = 2(3) - 3 = 6 - 3 = 3
f(4) = 2(4) - 3 = 8 - 3 = 5
f(5) = 2(5) - 3 = 10 -3= 7

daerah hasil = {-1, 1, 3, 5, 7}

Jawab : D