SOLUTION: Find the domain of the function f(x) = ln(3x)

Question 963606: Find the domain of the function f(x) = ln(3x)
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

The domain is all the values a variable can take on without causing an invalid function.
In this case, if then what's inside the parentheses is , which you can't take the log of. So the domain is .
domain:
{ element : } (all positive real numbers)

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