Answer:
A
Step-by-step explanation:
Lets first solve the relation for "y". Shown below:

This is clearly an equation of a line in the form 
It will be a negatively sloped line, when graphed.
We can use vertical line test to determine function or relation. If a vertical line passes through only 1 point in the graph, we say that it is a function.
Think of a negatively sloped line. No matter where you draw a vertical line, it will only cut the line at 1 point.
So, this is definitely an equation of a function
Correct answer is A
Answer:
5677
Step-by-step explanation:
2100 +1477 = 3577
2100+3577= 5677
Answer:
4.879e3 km
Step-by-step explanation:
Temperature under 0 Degrees it snows. Also my brain is always right