Re: Functions

Posted by Nikkita on Oct 07, 2016; 7:06am
URL: http://discussion-forum.276.s1.nabble.com/Functions-tp7595615p7602884.html

I think there are 2 parts:
1. Considering Sin^-1 (x) belongs to [-1,1], we get x belong to [1,9]
2. Considering log x >0 always, so x/3>0, i.e. x>3

From the intersection of above two conditions, we get x belong to (3,9].

Is it right?? Why or why not??