Re: DSE 2016 Q17

Posted by shiva on Mar 22, 2017; 8:21am
URL: http://discussion-forum.276.s1.nabble.com/DSE-2016-Q17-tp7603515p7603516.html

This y is the sum of two concave functions, lnx is a concave function and -e^x is also a concave function. so this will be a concave function. The option must be d - neither linear subspace nor convex.