Respuesta :

Answer:

Step-by-step explanation:

hello :

Let f(x) = x^-2  = 1/x² and g(x) = (x - 1)/3.

 (f o g)(x)=f(g(x) ) f((x - 1)/3) = 1/((x - 1)/3)²

 (f o g)(x)= 9/(x-1)²