SOLUTION: Hi, here is my question. I need to find the domain of log (12-3x) and write it in interval notation. Can you help me out?

Algebra ->  Functions -> SOLUTION: Hi, here is my question. I need to find the domain of log (12-3x) and write it in interval notation. Can you help me out?      Log On


   

Question 358386: Hi, here is my question. I need to find the domain of log (12-3x) and write it in interval notation. Can you help me out?
Found 2 solutions by robertb, user_dude2008:
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
You must have 12 - 3x>0, or 12>3x, or 4>x. In interval notation, this is (-infinity, 4)

Answer by user_dude2008(1862) About Me  (Show Source):
You can put this solution on YOUR website!
12-3x>0

12>3x

4>x

x<4

Domain: