Question

9. Let A = {3,4,7,8) and B = (1,7,10). Which of the following sets are relations from A to B? R={(3,7). (4,7). (7,10).(8,1)).​

Answer 1

Answer:

We have A×B={3,1), (3,7), (3,10), (4,1), (4,7), (4,10), (7,1), (7,7), (7,10), (8,1), (8,7),(8,10).

(i) here R1 is relation from A to B.

Answer 2

Answer:

A×B={3,1), (3,7), (3,10), (4,1), (4,7), (4,10), (7,1), (7,7), (7,10), (8,1), (8,7),(8,10).  R1 is relation from A to B.

Step-by-step explanation: