Question

Let A = { 1, 2, 3, 4} and B = {1, 4, 5} be two sets. Write R in roster form if R is a relation less than A to B​

Answer 1

Answer:

R is the relation 'less than' from A to B.

So R={(1,4),(2,4),(3,4)}

R

−1

={(4,1),(4,2),(4,3)}