4.
Graph the relation shown in the table. Is the relation a function? Why or why not?
(-5, -5)
(-3, -3)
(1, 1)
(2, 2)
Yes; no vertical line passes through two graphed points.
No; a vertical line passes through two graphed points.
Yes; no horizontal line passes through two graphed points.
No; a horizontal line passes through two graphed points.