Question

If f(x)=9x-6 and g(x)=x+6/9
f(g(x))
g(f(x))

Answer 1

9x , 9x- 16/3

Explanation:

f(g(x))=f(x+6/9)=9*(x+6/9)-6= 9x+6-6=9x

g(f(x))=g(9x-6)= 9x-6+6/9=9x-48/9