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

{−3, −3, 1, 6}
{−4, −2, 2, 2}
{−4, −2, 2}
{−3, 1, 6}

Question

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

freckles · Answer

the domain is the collection of your 1st numbers from every pair

freckles · Answer

Example:
The domain of {(5,3),(7,9),(5,-3)}
is {5,7}.

celinegirl · Answer

@freckles that makes total since. Thank you for that. I'm not sure if im right.. but it would be the last one right?

freckles · Answer

you are absolutely correct

freckles · Answer

no there is no difference in {-3,-3,1,6}
but normally teachers try to emphasis don't be repetitive when it comes to writing sets
so {-3,1,6} is more appropriate

celinegirl · Answer

@freckles ok! thank you so much!

freckles · Answer

np