Question

Determine wether each relation is a function Find the domain and range.

(5,0),(8,1),(1,3),(5,2),(3,8)
Can you work this out for me

Answer 1

domain is first coordinates
\[\{5,8,1,3\}\]

Answer 2

since 5 occurs twice in the domain is it NOT a function

Answer 3

range is second coordinate
\[\{0,1,3,2,8\}\]

Answer 4

Thanks for the help