Answer
$12$
Work Step by Step
$3\ln{(2x)}=3\ln{(2\frac{e^4}{2})}=3\ln{e^4}=3\cdot4=12$
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.