Re: functions problem

Posted by Amit Goyal on May 03, 2013; 7:41am
URL: http://discussion-forum.276.s1.nabble.com/functions-problem-tp7580283p7580339.html

Do the following problem:
f: R --> R with f(R)=Q (i.e. f takes on rational values) and f is continuous such that f(3)=10 then f(x) is
(A) odd
(B) even
(C) increasing function
(D) nothing can be said about it being even or odd