diketahui f(x) =2x + 8 - q. jika f(4) = 6 maka nilai q adalah...

jawabannya ada di lampiran

subtitusi
f(4)=2.4 + 8 - q = 6
f(4)=8+8 - q = 6
f(4)=16-q=6
f(4)=-q=6-16
f(4)=-q=-10
minesnya coret
f(4)=10