Functions Question 404

Question: Let R be a relation on N defined by $ x+2y=8. $ The domain of R is

Options:

A) $ {2,4,8} $

B) $ {2,4,6,8} $

C) $ {2,4,6} $

D) $ {1,2,3,4} $

Show Answer

Answer:

Correct Answer: C

Solution:

[c] R be a relation on N defined by $ x+2y=8 $
$ \therefore R={(2,3);(4,2);(6,1)} $ Hence, Domain of $ R={2,4,6} $