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

Answer 1

@ivettef365
@Loser66
@Nurali

Answer 2

domain is the values of x

Answer 3

need to put in order and not repeat the number

Answer 4

i dont get it ?

Answer 5

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

Answer 6

-3,5,1,2,5

Answer 7

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

Answer 8

so a?

Answer 9

yes

Answer 10

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