Question

1) Does the graph show a function? Remember to use the vertical line

test.
20 points
57
4 2
2+
1+
4 -3 -2 -1 0
-17
1 2 3 4
-2
3
-47
-5+
Yes
No

Answer 1

No.

Explanation:

If any x value (left to right) is repeated (as shown by having a line over it multiple times) the answer is not a function.