Graph the relation shown in the table. Is the relation a function? Why or why not?
(3,-1)
(2,-1)
(-4,0)
(2,4)
A.Yes; no horizontal line passes through two graphed points.
B.No; a horizontal line passes through two graphed points.
C.Yes; no vertical line passes through two graphed points.
D.No; a vertical line passes through two graphed points.
The relation can be graphed as follows:
(3,-1)
*
(2,-1)
* *
(-4,0)
*
(2,4)
* *
The relation is a function because no vertical line passes through two graphed points. Therefore, the correct answer is C) Yes; no vertical line passes through two graphed points.