Question

What are the domain and range of the relation (2,2), (4,2),(6,2)? is the relation a function?

Answer 1

My answer choices are
A. D={2};R={2,4,6};yes
B. D={2};R={2,4,6};R={2,4,6};no
C. D={2,4,6};R={2};no
D. D={2,4,6};R={2};yes

Answer 2

I'm going with choice D since the domain and range is correct and it is a function