Question

Tolong jawab no 7 dan 8 !

Answer 1

7. g(f(x))=3x+3
g(x-5)=3x+3

misal x-5=m
x=m+5

g(m)=3(m+5)+3
=3m+15+3
=3m+18
g(x)=3x+18

8. 1/f(x)=-x-3/4x-2
-(x+3)/4x-2
x+3/-4x+2