Answer:
Option C. is correct choice.
Step-by-step explanation:

Regards: Umer
Let me ask my brother he's smart
It is six, or 318/53 is that wat u r asking
F(x) = x² - 3x
g(x) = √x - 1
f(g(x))= (√x - 1)² - 3(√x - 1) = (√x - 1)(√x - 1 - 3) =(√x - 1)(√x - 4) =
= √x √x -1*√x -4*√x +4 = x -5√x +4
Answer: x -5√x +4