[3.05] The domain of the following relation: R: {(−3, 4), (5, 0), (1, 5), (2, 8), (5, 10)} is

{−3, 1, 2, 5}

{4, 0, 5, 8, 10}

{−3, 5, 1, 2, 5}

No domain exists

Question

[3.05] The domain of the following relation: R: {(−3, 4), (5, 0), (1, 5), (2, 8), (5, 10)} is

 {−3, 1, 2, 5}

 {4, 0, 5, 8, 10}

 {−3, 5, 1, 2, 5}

 No domain exists

anonymous · Answer

@ivettef365 
@Loser66 
@Nurali

ivettef365 · Answer

domain is the values of x

ivettef365 · Answer

need to put in order and not repeat the number

anonymous · Answer

i dont get it ?

ivettef365 · Answer

ok you have the points R: {(−3, 4), (5, 0), (1, 5), (2, 8), (5, 10)} is 
represents (x,y) so what are the values of x

anonymous · Answer

-3,5,1,2,5

ivettef365 · Answer

perfect, now to show domain, you don't need to repeat 5 twice, so domain is
-3, 1, 2, 5

anonymous · Answer

so a?

ivettef365 · Answer

yes

ivettef365 · Answer

http://www.purplemath.com/modules/fcns2.htm