Re: DSE 2016 Q17

Posted by eco'17 on Mar 22, 2017; 1:14pm
URL: http://discussion-forum.276.s1.nabble.com/DSE-2016-Q17-tp7603515p7603518.html

hey!, I got the answer, thanks for leading me!
If any f(x) is concave, then y<f(x) will necessarily be a convex set, you were almost there.
thanks for your help.