What is a function? can the following sets of ordered pairs represent a functions? why or why not? a= {(-4,-4), (2,0), (6,4) ,(10,2)} b ={(9,3), (9,-3), (4,2), (5,-2)} c ={(-3,7), (-2,7), (-1,,7)}

A relationship or expression involving one or more variables.

"the function (bx + c)".

the can not represent a function because they are not a problem it is an orederd pair with no variable as in they all have one input and a different oput.

As in A is your answer