SOLUTION: Find the domain of the function f(x) = ln(3x + 36).

Question 602306: Find the domain of the function f(x) = ln(3x + 36).
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
Find the domain of the function f(x) = ln(3x + 36).
.
Domain defines all possible values x can take...
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Since, you can't take ln of a negative number, we have:
3x + 36 >= 0
3x >= -36
x >= -12 (this is your answer)
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Or, it could be written as:
[-12, +oo)
where +oo means positive infinity
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