Respuesta :

chi3fcomm5nd
(f•g)(x)=f(g(x))
[tex]f(g(x)) = {(8 - x)}^{2} - 2(8 - x) + 9 \\ when \: x = - 4 \\ f(g( - 4)) = {(8 + 4)}^{2} - 2(8 + 4) + 9 \\ f(g( - 4)) = {12}^{2} - 2 \times 12 + 9 \\ f(g( - 4)) = 144 - 24 + 9 = 129[/tex]