Question

A set of ordered pairs is shown. The set does not
represent a function.
{(-2,5), (0, 1), (3,6), (4, 6), (2,3), (5,-2),
(0,8)}
Which ordered pair could be removed from the set so it can represent a function

Answer 1

when x repeats it is not a function so (0,1) or (0,8) could be removed