Which of the following represents a function?

x -13 -7 -1 -7
y 21 19 21 20

x -13 -7 -13 4
y 21 21 27 20

x -13 -7 -1 4
y 21 19 27 21

x -13 -7 -1 -1
y 21 19 21 20

Question

Which of the following represents a function?

    x	-13	-7	-1	-7
    y	21	19	21	20


    x	-13	-7	-13	4
    y	21	21	27	20


    x	-13	-7	-1	4
    y	21	19	27	21


    x	-13	-7	-1	-1
    y	21	19	21	20

yanasidlinskiy · Answer

Hey, PatrickStar! You may haven't noticed but your question is in the wrong section. Please close this question, and open it in the proper section. I guarantee you, you'll get more opinions there instead in the OpenStudy Feedback Section! Thanks! Here's the link to the Math Section:) http://openstudy.com/study#/groups/Mathematics