The domain of the following relation: R: {(−6, 3), (2, 6), (−3, 1), (3, 6)} is.
A:{6}
B: {1, 3, 6}
C:No domain exists
D: {−6, −3, 2, 3}.
(I'm not really good with this stuff so if someone could tell me how they get the answer, it would be greatly appreciated :)

Question

The domain of the following relation: R: {(−6, 3), (2, 6), (−3, 1), (3, 6)} is.
A:{6}
B: {1, 3, 6}
C:No domain exists
D: {−6, −3, 2, 3}.
(I'm not really good with this stuff so if someone could tell me how they get the answer, it would be greatly appreciated :)

anonymous · Answer

D: {−6, −3, 2, 3}.

anonymous · Answer

in the original relation u have four order pairs for example (-6,3) is one of the order pair, (2,6) is another, now in any ordered pair, the first digit is called abscissa and the second is ordinate

anonymous · Answer

|dw:1359047839154:dw|

what u have to do is to make a set having elements which are abscissas from all the ordered pairs of the relation.