Answer:
9+9/x
Step-by-step explanation:
f(g(x))= 9/x/x+1
=9/x ×(x+1)
=9x+9/x
=9+9/x
[tex](fog)(x)=f[g(x)]=\frac{9}{(\frac{x}{x+1} )} =9(\frac{x+1}{x})=9(1+\frac{1}{x})[/tex]
