Question

(MORE THAN ONE)
Select all of the relations that are functions.

A.) {(a, 1), (b, 1), (c, 1)}

B.) {(a, a), (a, b), (a, c)}

C.) {(1, a), (2, a), (3, a)}

D.) {(a, a), (b, b), (c, c)}

Answer 1

B and D

Answer 2

Thank you!