Question

use the vertical line test to determine if the relation (-6,-2) (-2,6) (3,5) is a function explain your response

Answer 1

This is a function

if the domain (the x coordinate) doesn't repeat the same number it is considered a function 

example:

function
(4,6) (5,8) (7,9) (9,7)

not a function
(4,6) (4,8) (7,9) (9,7)