diketahui fungsi f(x) = 3∧x – 2∧x+1 . tentukan daerah hasil jika x = { 0,1,2,}

f(0) = 3^0 - 2^(0+1)
= 3^0 - 2^1
= 1 - 2 = -1
f(1) = 3^1 - 2^(1+1)
= 3 - 2^2
= 3 - 4 = -1
f(2) = 3^2 - 2^(2+1)
= 9 - 2^3
= 9 - 8 = 1
daerah hasil {-1, 1}