Is my iPhone 5 battery draining fast?

I got the iPhone 5 like 4 days ago and I use it ALOT like its in my hand the entire day and I'm trying to make the battery last so I do all the battery saving stuff but it seems to run out pretty fast or am I just using it too much I charged it 11 times from when I got it and again I use it all the time always in my hand.
Thanks.

Added (1). I do close all the apps by pressing the home button twice but it doesn't seem to help

Have you tried to close out the apps you aren't using by double clicking the home button and holding the icons till an X appears to close them out.

Here is a good page with all the right tips:
http://ipod.about.com/od/iphone3g/tp/iphone-battery-life.htm

Of course usage matters. If you could attach a screenshot of your usage that would be helpful.
Settings.General>Usage>scroll down the bottom where it says time since last charge.

3 hours of usage for me and 9 hours of standby leaves my iPhone with 50% juice.
Wi-Fi on
bluetooth on
location services on
Facebook constantly
Few minutes of calls
Whatsapp

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