fungsi f(x)=3x+1 mempunyai daerah asal {1,2,3}. tentukan nilai fungsi tersebut!!!

f(x)=3x+1
f(1)= (3 × 1) + 1 = 3 + 1 = 4
f(2)= (3 × 2) + 1 = 6 + 1 = 7
f(3)= (3 × 3) + 1 = 9 + 1 = 10

Semoga bermanfaat