Question

If A = { a , b, c, d} and B = {1,2,3), then which of the following is a relation from A to B?
1 point
a) R₁ = {(a, 1), (2, b), (c,3)}
b) R₂ = {(a, 1), (d,3),(b,2),(b,3)}
c) R₃ = {(1,a), (2,b),(3,c)}
d) R₄ = { (a,1) , (b, 2), ( c,3), (3,d)}​

Answer 1

Answer:

R3={(1,a),(2,b),(3,c)}