Question

The domain of the following relation: R: {(−4, 3), (3, 6), (−2, 1), (3, 6)} is...

{1, 3, 6}

{−4, 3, −2, 3}

{−4, −2, 3}

No domain exists

Answer 1

it will be the set of all the "x" elements
you have -4,3,-2,3 but we never repeate a value in a set so
{-4,-2,3}

Answer 2

Thanks :)