Answer
0
Work Step by Step
$\lim\limits_{x \to -\infty}\frac{x}{\sqrt {x^2+1}}= \lim\limits_{x \to -\infty}\frac{x}{x\sqrt {1+1/x^2}}=\lim\limits_{x \to -\infty}\frac{1}{\sqrt {1+1/x^2}} = 1/\sqrt \infty = 0$
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.