We will have the following:
First, we construct the exponential decay function, that is:

Now, we will determine the population after 6 years:

So, the population after 6 years will be of approximately 37491 people-
Andrew played for 1 hour and 20 minutes
Lizzie played for 2 hours and 40 minutes
Andrew played for half as long as Lizzie did, so Lizzie played for 1 1/3 hours longer than Andrew did. Hope this helps!
Nevermind I zoomed in. The answer is C because ≤ or ≥ needs a solid graph line, and since it is ≥ the shading should be on the top side of the line.
1) is 3
2) is 8
3) is 30
those are the only ones i know but i hope it helped