Help with this one too, please.

Me answer number 3plz explain how you do it

Iwill make brain if you me correctly fill this out needs due today pls and send it back to me (click the link and you will get it)

Is each relation a function? if so, state whether it is one-to-one or many-to-one. 3. (-4,7), (-3,5), (1,4), (3,-8), (5,-11) 4. (-4,8), (-2,4), (0,1), (2,4), (4,8) 5. (-2, 1), (-2,3), (0,-3), (1,4), (3,1)