Question

What is the domain of the relation {(2, 8), (0, 8), (–1, 5), (–1, 3), (–2, 3)}?

Answer 1

(2,0,-1,-1,-2) that is the domain from what I remember. Hope that help

Answer 2

The domain is the set of the first values in the ordered pairs.

= {-2, -1, 0, 2}

note the -1 is not repeated