Answer
The domain of $\ln x$ is $(0,\infty)$. Whenever $x=e^{-a}, a>0$, the value of $\ln x$ is negative.
Work Step by Step
The domain of $\ln x$ is $(0,\infty)$. Whenever $x=e^{-a}, a>0$, the value of $\ln x$ is negative.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.