0 votes 0 votes Let f(x, y) = (2x-y, x-2y), $\forall$(x, y) belongs $RxR$. Which of the following is true? f is one-to-one but not onto f is on-to but not one-to-one f is a bijection f is neither 1 – 1 nor onto `JEET asked Jan 16, 2019 `JEET 443 views answer comment Share Follow See all 5 Comments See all 5 5 Comments reply Show 2 previous comments OneZero commented Jan 16, 2019 reply Follow Share @`JEET You just have to take an example and eliminate options. 0 votes 0 votes `JEET commented Jan 16, 2019 reply Follow Share @OneZero Yeah, I tried that. Show me how to prove it surjective. 0 votes 0 votes OneZero commented Jan 16, 2019 reply Follow Share Try taking few numbers and substuting them in place of x and y. Take for example x=1 and y=2, now you will see that their is no other combination that will give you the same output. Hence bijection 0 votes 0 votes Please log in or register to add a comment.
