Answer:
D - (-2)^2 does not equal to -4
Step-by-step explanation:
√-4 does not equal -2 because if you try squaring -2 you will get 4 not -4, because 2 negative number makes it a positive.
For example
-2 x -2 - There are two negative numbers, so it should equal...
4
The answer to what? If you can tell me, I'd be happy to help. :)
15<span>√2 is what I got for the answer.</span>
Given function is

At t= 79.5 degree.
So we can place t= 79.5 in given equation

=

=

=

So elevation equal to 625 meter at t = 79.5 degree.