Tell whether the following if FUNCTION or RELATION. If your answer is a relation, write the reason what makes it not a function.
1. {(-2, -4), (-1, 3), (2, 1), (1, 1)}
2. {(4, 2), (4, 0), (3, 3), (3, 5)}
3. {(-1, 0), (0, 1), (1, 2), (2,3)}
4. x | -3 | -2 | 0 | 2 | 3 |
y | -2 | -1 | 0 | 1 | 2 |
5. x | 1 | 2 | 3 | 4 | 5 |
y | 1 | 2 | 3 | 4 | 5 |
6. x y
2 1
4 3
6 5
7-10. nasa pic po pahelp naman po​