Teaching AWES Army Public School TGT Mock Test 2024 Mathematics Relations and Functions Domain of a Relation
If A = {3, 9, 27, 81}, B = {1, 2, 3} and R is a relation from A to B such that R = {(x, y) : x ∈ A, y ∈ B and y = log3 x} then find the number of elements in the domain of R ?
1
4
2
3
3
2
4
None of these