It's both. Look at the gradients between one point then the one after it. It stays constant from one to the next. (Gradient is 2 by the way: (5-3)/(2-1))
V = 126 if that's what you're looking for
Answer:
He said points
Step-by-step explanation:
I can get points for nothing
A) is not a function because you have two X values of -1
B) is not a function because you have two X values of -2
C) is not a function because you have two X values of 0
D) This is a function because all X values are different.