Jika diketahui fungsi f(x)=11-2x dan (gof)(x)=13-4x, maka nilai g(5)=…

Semoga jawabanya membantu 🙂

Gof(x)=13-4x
g (f(x))=13-4x
g(11-2x)=13-4x

g(5)=?

mis:
11-2x=a
-2x=a-11
2x=a+11
x=a+11/2

g(a)=13-4(a+11/2)
g(a)=13+2a-22
g(a)=2a-9
g(5)=2(5)-9
g(5)=10-9
g(5)=1