Re: DSE 2011 Q.24

Posted by duck on Jun 21, 2012; 12:59pm
URL: http://discussion-forum.276.s1.nabble.com/DSE-2011-Q-24-tp7578446p7578466.html

Hi Chinni.. :)

F(x) is a function not a set.
And the correct answer is Convex only.
Option(c) i.e "increasin" can be ruled out using the following example>
Consider f(t) = -2. Its an increasing and convex function but F(x) = -2x which is a decreasing function.