Re: DSE 2016 Q17

Posted by shiva on Mar 22, 2017; 2:19pm
URL: http://discussion-forum.276.s1.nabble.com/DSE-2016-Q17-tp7603515p7603519.html

Yes, I got confused.

the given relation is a concave function, whereas the set of points satisfying y<= lnx -e^x will be a CONVEX SET. if you plot the graph, you will get a inverse u shaped curve (which is a concave function) under the all the (x, y) will satisfy the concept of convex set.