Question

The domain of the following relation R {(3, −2), (1, 2), (−1, −4), (−1, 2)} is

{−1, 1, 3}
{−1, −1, 1, 3}
{−4, −2, 2, 2}
{−4, −2, 2}

Answer 1

Given:
3, -2
1, 2
-1, -4
-1, 2

The format is (x,y)

The domain is all the x-values while range is all the y-values.

domain: (3,1, -1,-1) 2nd option given.