Let f (x) = 9x - 2 and g (x) = - x + 3. Find f (g (x)).

-9x - 2

-9x + 5

-9x + 25

-9x + 27

Since g (x) is - x-3, replace g (x) with - x-3, f (g (x)) = f (-x+3)

Since the x in f (x) is replaced with - x-3, f (-x-3) = 9 (-x+3) - 2 which is - 9x+27-2 which = - 9x+25, so ... your answer in C