Dik f(x)=2x-3 dan g(x)=6x+1 , tentukan gof(x)

jawab
:gof(x)=g(f(x))
=g(2x-3)
=6(2x-3)+1
=12x-18+1
=12x-17

f(x) = 2x-3
g(x) = 6x+3
gof(x) = 6(2x-3)+1
= 12x-18+1
= 12x-17