How do you find out the domain of a function?

Pre-College Topics High School Life
1

<p>Im really really weak in this math area and I was wondering if there was a tutorial or some tips to find out the domain of functions.</p>

<p>Thanks</p>

2

<p>the domain is any value you can plug in for x that will give out a real number for y value.</p>

3

<p>[Domain</a> and Range - Free Math Help](<a href=“http://www.freemathhelp.com/domain-range.html]Domain”>Domain and Range - Free Math Help)</p>

<p>[Visual</a> Calculus - Drill - Domains of Functions](<a href=“http://archives.math.utk.edu/visual.calculus/0/domain.1/index.html]Visual”>http://archives.math.utk.edu/visual.calculus/0/domain.1/index.html)</p>