Answer:
t = [0.493,4.2]
Step-by-step explanation:
The height of the rocket straight up into the air is given by :

We need to find the interval the rocket be at least 43 feet above the ground.

So, the required interval during which the rocket is at least 43 feet above the ground is [0.493,4.2].
Answer:
the answer is the 2nd, 3rd, and 4th ones
Step-by-step explanation:
H(-2)=(-2)/2
h(-2)=-2
hope this helps!!!
If the question is 5m^2 the answer is 80. And if the question is 5m2 then it is 40