D. asymptote
In the attached graph, the function has two asymptotes, one horizontal (the x-axis) and one vertical (the line x = 2).
You would simply do -102-125 to give -227 feet below the surface
The additive inverse of something is whats added to the original to get 0
So in this case n - n = 0, which is B :)
12,871 rounded to nearest thousand = 13,000.
6281 rounded to nearest thousand = 6,000.
5146 rounded to nearest thousand = 5,000.
In total, 13,000 + 6,000 + 5,000 = 24,000.