Which set of ordered pairs represents a function?
{(9,4),(-1,2), (-3,3),(-1,-6)}
{(-7,4), (7,2), (1,2), (-4,-4)}
{(-8,4), (–8,1), (0, -1), (5, -6)}
{(–9,–8), (2,-4), (–9,8), (0, –4)}

Someone Please help ASAP

The 2nd ordered pair. {(-7,4), (7,2), (1,2), (-4,-4)}

Step-by-step explanation:

a

step-by-step explanation:

a

question: how many people can she serve?

answer: she can serve 16.66666667 people. so she can only give 16 people a complete serving.

question: does she have enough ice cream for her guests?

answer: no. explanation: she only has enough for 16 people to have a full serving. however, she can give a 17th person a partial serving.