Option (2) and Option (3) is the correct answer .
<u>Requ</u><u>ired</u><u> </u><u>Ex</u><u>plaination</u><u> </u><u>:</u>
Scenario 2 : The height of a stone shot by a catapult reaches a maximum height and then falls on the ground.
Scenario 3 : The sale of product increases at first and then decreases.
<u>Therefore, the correct options are </u><u>2</u><u> </u><u>and</u><u> </u><u>3</u><u>.</u>
Answer:
C) 4 < x < 12
8=40°
6=50°
4=130°
3=90°
2=90°
7=140°
1=90°
9=140°