Question

what is the domain of the relation?

{(-3,4),(0,-1),(7,5,(8,8)}


-3,7
-3,0,7
-3,0,7,8
-1,4,5
-1,4,5,8

I think Its A

Answer 1

x -coordinates are domain
{-3,0,7,8}
Option 3 is correct
Source: http://www.mathskey.com/question2answer/

Answer 2

thank you