9514 1404 393
Answer:
- no
- yes
- no
- no
- no
- yes
Step-by-step explanation:
If a vertical line can be made to intersect the graph at more than one point, the relation is not a function.
Relations 1, 3, 4, 5 have points one above another, so are not functional relations.
Relations 2 and 6 pass the vertical line test, so are functional relations.
