Question

What is the domain and range for the relation? Is the relation a function? {(3, 15), (5, -2), (6, 15), (8, 21)}

Answer 1

the domain is the set of the first values in each parentheses
range is set of second values

Answer 2

Is it a function?

Answer 3

it is a function if there are no duplicates in the domain

Answer 4

eg (2,3), (3.4), (2,6) is not a function because of the 2's

Answer 5

Thanks gave you all medals

Answer 6

yw