Answer:
Step-by-step explanation:
x² - 6x + 7
To evaluate (f ○ g)(x), substitute x = g(x) into f(x), that is
f(g(x))
= f(x - 3)
= (x - 3)² - 2 ← expand factor using FOIL
= x² - 6x + 9 - 2
= x² - 6x + 7
Answer: meter
c