Graphical Behavior
Graphical Behavior
Domain
Example 2
Describe the Domain.
![frac1 frac1](https://claregladwinresd.glk12.org/pluginfile.php/939/mod_book/chapter/282/Rational_Functions/Images/DomainEx2-1.png)
Step 1. Factor the denominator.
![equation2 equation2](https://claregladwinresd.glk12.org/pluginfile.php/939/mod_book/chapter/282/Rational_Functions/Images/DomainEx2-3.png)
Step 2. Using Zero Product Property set each factor equal to zero and solve.
![equation2 equation2](https://claregladwinresd.glk12.org/pluginfile.php/939/mod_book/chapter/282/Rational_Functions/Images/DomainEx2-4a.png)
![equation3 equation3](https://claregladwinresd.glk12.org/pluginfile.php/939/mod_book/chapter/282/Rational_Functions/Images/DomainEx2-4b.png)
x = -4 or x = -1
Step 3. The domain will be all real numbers excluding the value(s) from step 2.
The domain is: