Dik: f(x)=4x+12 (fO9) (x) =2x-4 Dit: 9(x)=?toling bantu sata pliss
f(g(x))=4x+12
2(g(x))-4=4x+12
2g(x)=4x+12+4
g(x)=4x+12+4/2
g(x)=2x+6+2
Dik: f(x)=4x+12 (fO9) (x) =2x-4 Dit: 9(x)=?toling bantu sata pliss
f(g(x))=4x+12
2(g(x))-4=4x+12
2g(x)=4x+12+4
g(x)=4x+12+4/2
g(x)=2x+6+2