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