Question

The range of the following relation: R: {(3, -2), (1, 2), (-1, -4), (-1, 2)} is
Answer
{-1, 1, 3}
{-4, -2, 2, 2}
{-1, -1, 1, 3}
{-4, -2, 2}

Answer 1

ok we just stated what the range is right?

Answer 2

it is the set of second coordinates, or the "y - values" so your job now is to list them

Answer 3

I know but do u put the two same numbers down twice or once.

Answer 4

oh ok
just once. you do not repeat elements when writing a set