Question

If A = {1, 2, 3, 5} and B = {4, 5, 6}, then which of the following is a function from A to B?

Answer 1

Answer:

$Hence, R1 is a relation from A to B$

$Hence, R2 is a relation from A to B$

$R3 is not a relation from A to B.$

$Hence, R4 is not a relation from A to B.$