
Elementary Math Fractions, Percentages, Word Problems, Equations, Inequations, Factorization, Expansion 
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October 8th, 2016, 09:31 PM  #1 
Newbie Joined: Oct 2016 From: Singapore Posts: 4 Thanks: 0  Function Question
A function f is defined by f(x) = 3 2x, for all real values of x, 1<x<=5 Question:  Find the element that is halved under f. Appreciate if you can help 
October 8th, 2016, 09:49 PM  #2 
Senior Member Joined: Sep 2015 From: Southern California, USA Posts: 1,495 Thanks: 752  
October 9th, 2016, 01:20 AM  #3 
Newbie Joined: Oct 2016 From: Singapore Posts: 4 Thanks: 0 
What is the meaning of halved under f?

October 9th, 2016, 01:21 AM  #4 
Newbie Joined: Oct 2016 From: Singapore Posts: 4 Thanks: 0 
Thanks for your reply @romsek

October 9th, 2016, 02:47 AM  #5 
Global Moderator Joined: Dec 2006 Posts: 18,052 Thanks: 1395 
Your formal answer should also point out that x = 6/5 satisfies 1 < x $\small\leqslant$ 5.


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