Question

Which relations are functions and which are not functions?
Column A Column B
1.
{(3, 2), (6, 4), (9, 6),
(12, 8)}
2.
{(2, 3), (2, 5), (3, 6),
(9, 4)}
3.
{(4, 2), (6, 3), (4, 8),
(6, 6)}
4.
{(3, 4), (5, 2), (6, 8),
(6, 4)}
A.
function
B.
not a function

Answer 1

fan & MEdal