A way to solve this is finding 90% of 428.
428 × 0.90 = 385.2
Rounded, the answer is 385
Hsushenzjzjwjshxhsjsjxbxjjdjsksk sorry
Answer:
h(-6) = 3(-6)² - 6(-6) + 4
= 3(36) + 36 + 4
= 148
You basically just substitute x with -6 that's all
In my opinion, The second