Question

Which set of ordered pairs represents a function?

A) {(6,4), (2, 3). (9, -1). (0,0). (6,-4)}

B) {(-5, 1), (-5, 8). (-5, -2), (-5, -5). (-5, 10)}

C) {(-2, 3), (0, 3), (5,3), (8,3), (12. 3)}

D) All of the above

Answer 1

C because any repeating x values (The first number) indicated it is not a function. C is the only one with no repeating x values. The y values are fine to repeat though

Explanation: