Answer
$(goh)(x)$
Work Step by Step
If we analyze $\sqrt{x^2+2}$, we can see it is the square root of $(x^2+2)$ which is $g(h(x))$.
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.