Hello, Joker37!
State the domain and range of the following.
Why is the range greater than or equal to zero? Why isn't it (2, infinity)? The graph has intercepts at: .
The graph of: . .looks like this:
Code:

         +          
* 2 *
*  *
o+o
*  *
*  *

*  *


**

The graph of: . looks like this:
Code:

**


*  *
          +          
* * 2 * *
* *  * *
o+o

