The domain of the function

**wannous** · September 7th 2010, 03:19 PM

is :

Write the answer in interval notation

gave me (- infinity,0)U(5,infinity) but its not the right answer please help

**skeeter** · September 7th 2010, 03:30 PM

Originally Posted by wannous

The domain of the function

is :

Write the answer in interval notation

gave me (- infinity,0)U(5,infinity) but its not the right answer please help

you forgot to include x = 5 and x = 0

**pickslides** · September 7th 2010, 03:31 PM

solve for

$x(x-5)>0$

$x\in (-\infty,0] \cap [5,\infty)$

What is the difference in our responses? Why?

**wannous** · September 7th 2010, 03:34 PM

i dont know? what is the difference

**skeeter** · September 7th 2010, 04:56 PM

Originally Posted by wannous

i dont know? what is the difference

review the rules for interval notation ...

$(-\infty,0]$ is $x \le 0$

$(-\infty,0)$ is $x < 0$

Thread: The domain of the function