Question

Find the domain of the relation: (1, 2), (-5, 9), (-1, 7), (-3, -8)

Answer 1

the domain would be all the x values

Answer 2

what are the x values?

Answer 3

1,-5,-1,-3?

Answer 4

the domain are the x values for example with (1,2) 1 is the domain

Answer 5

correct, put them in a set
D = {-5,-3,-1,1}