Respuesta :

Answer:

x^2 -6x +6

Step-by-step explanation:

f (x) = x^2

g (x) = x − 3

f(g(x)) = Substitute g(x) in for x in the function f(x)

         = (x-3)^2 -3

         =x^2 -3x-3x+9   -3

          =x^2 -6x +6