Answer
$\sqrt (3x-1)$
Work Step by Step
We know that $(f°g)(x)=f(g(x))$.
We know that $f(x)=\sqrt x$ and $g(x)=3x-1$. Therefore, $f(g(x))=f(3x-1)=\sqrt (3x-1)$.
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.