# Math Help - Domain and Range of ln

1. ## Domain and Range of ln

What is the domain and range of ln(x+5)
How can I go about finding it?

2. Originally Posted by lil_cookie
What is the domain and range of ln(x+5)
How can I go about finding it?
you should already know that one may only take the log of positive values ...

that means $x+5 > 0$

now, what's the domain of $y = \ln(x+5)$ ?