Question

Identify whether these sets are functions, relations, or neither.

C = {(2,5), (2, 6), (2, 7)}
D = {(1, 2), (2, 2), (3, 2), (4, 2)}
E = {(3, 3), (4,4), (5,5), (6, 6)}

Please help!

Answer 1

Explanation:

C and D are relations no function but E is function .