Can u use a Mac book to provide personal hot spot to iPad air
iPad air
iPad, iOS 7.0.6, Personal
If your MacBook has a wired Internet connection then, yes, you can do this.
There are detailed instructions here: http://computers.tutsplus.com/tutorials/quick-tip-use-your-mac-as-a-wi-fi-hotspo t-and-more--mac-46462