Answer:
A
Step-by-step explanation:
f(0) → x < 0, thus
f(0) = 0³ - 2 = 0 - 2 = - 2
f(1) → 1 ≤ x ≤ 2, thus
f(1) = 3(1)² - 4(1) + 5 = 3 - 4 + 5 = 4
f(2) → 1 ≤ x ≤ 2, thus
f(2)= 3(2)² - 4(2) + 5 = 12 - 8 + 5 = 9
Hence
3f(0) - 2f(1) + f(2)
= (3 × - 2) - (2 × 4) + 9
= - 6 - 8 + 9
- 5 → A
