The figure given below shows a relation R between the sets A and B Then which of the following ....

The figure given below shows a relation R between the sets A and B

Then which of the following is correct?
I.     The relation R in set builder form is {(x, y)} : is the square of y, x ϵ A, y ϵ B}
II.    The domain of the relation R is {4, 9, 25}