Question

Let A= {1,2,3,4,5) and B={1,4,5} let R be a relation from A to B. such that (x,y)ER
if 2x<y
i> List the elements of R
ii> Find the domain co-domain and range of R.​

Answer 1

Answer:

1. R={(2,1),(3,1),(3,4),(3,5),(4,1),(4,4,),(4,5),(5,1),(5,4),(5,5)}
2. Co-domain =B.... Range=B