Question

If relation R = {(1, 2), (4, 5)} then what are the ranges?
1, 4
2, 5
1, 2
4, 5

Answer 1

R = { (−1,1),(1,1),(−2,4),(2,4)}

Therefore, from given we have,

R = {a,a2
:a is a natural number}

dom(R)={−1,1,−2,2} and range(R)={1,4}