Question

Find the domain of the following relation:
Five points are graphed on a coordinate plane: negative 2 comma 1, negative 2 comma negative 1, 1 comma 2, 1 comma 1, and 1 comma negative 1.

{−2, −2, 1, 1, 1}
{−2, 1}
{−1, −1, 1, 1, 2}
{−1, 1, 2}

Answer 1

B

Answer 2

Because since -2 and 1 are repeating you just have to say them one time