Question

Does the following set of ordered pairs represent a function?

{(7,4),(5, -1),(3,-8),(1,-5),(3,6)}

Answer 1

A function is when the first value of an ordered pair does not repeat. the number 3 repeats, in conclusion it is not a function

Answer 2

not a function

Explanation:

{(7,4),(5, -1),(3,-8),(1,-5),(3,6)}

This is not a function

The input of x=3 goes to two different outputs y=-8 and y=6