2. Which is a true statement about the table below?
X
-4
-3
-2
-1
0
Y
5
5
5
5
5
A. It is a function because each input has
exactly one output.
B. It is not a function because each output has
more than one input.
C. It is not a function because it does not
contain the origin.
D. It is not a function because the ratio
between y and x is not constant.