# functions

• July 1st 2010, 03:34 AM
reiward
functions
Help me. Please help me find the right domain. Help me find range and graph. Thank you!

http://img191.imageshack.us/img191/7460/math111.jpg
• July 1st 2010, 03:39 AM
Prove It
The domain is actually $\mathbf{R}$.

If you were to graph this, you would have a horizontal graph $y = -6$ ending at $x = -3$, a horizontal graph $y = 6$ starting at $x = 3$, and joined with a "diagonal" line $y = 2x$.

So for what values of $y$ is this function defined?
• July 1st 2010, 04:05 AM
reiward
The domain is the range or the set of all real number?

I dont get the range help please.

Also did you mean horizontal graph y = -6 starting at x = -3 ?

I didn't get the graph. Can anyone draw please?
• July 1st 2010, 06:38 AM
skeeter