Menjawab:
#f (g (x)) = - 9x + 25 #
Penjelasan:
Pengganti x = - x + 3, yaitu g (x) menjadi f (x)
#f (g (x)) = f (warna (merah) (- x + 3)) #
#color (white) (f (g (x))) = 9 (warna (merah) (- x + 3)) - 2 #
#color (white) (f (g (x))) = - 9x + 27-2 #
#color (white) (f (g (x))) = - 9x + 25 #