Question

Let R be a
be a relation on N
defined by x + 2y = 6. The domain
of R is
(a) { 1,4}
(b) {2,3}
(c) {1,3}
(d) {2,4}​

Answer 1

Answer:

x + 2y = 6

x= 6- 2y

Since y and x both must be natural,

Possible values of y are 2,4

Thus range of R={2,4}

Answer 2

Answer:

option a is correct

Step-by-step explanation: