Question

Let A={1,2,3,4} and B={a,b,c}.Which of the are relation from B to A? *


{(c,a),(c,b),(c,1)}
{(b,1)(c,-1)(d,1)(1,a)}
{(a,4)(b,3),(c,2)}
none of the above​

Answer 1

none of the above

Let A={1,2,3,4} and B={a,b,c}.

answer is

a,1

b,2

c,3

Answer 2

Answer:

Correct option is

C

{(1,a),(1,b)(1,c),(2,a),(2,b),(2,c),(3,a),(3,b),(3,c),(4,a),(4,b),(4,c)}

A={1,2,3,4}

B={a,b,c}

Possible Relation R:A→B

={(1,a),(1,b)(1,c),(2,a),(2,b),(2,c),(3,a),(3,b),(3,c),(4,a),(4,b),(4,c)}

Option C contains Relation R:A→B