👤

function or not function
6. (1, 2), (2, 3), (3, 4), (4, 5)
7. (7, 2), (-6, 1), (4, 4), (-7, 4)
8. (12, -15), (2, -15), (-3, -15), (14, -15)
9. (-5, 2), (2, 3), (-5, 4), (4, -5)
10. (-1, -2), (-2, -3), (-3, -4), (-4, -5)​