Answer
(a) $-\infty$
(b) $\infty$
Work Step by Step
The function seems to be deacring and increasing unboundedly. Thus, $\lim\limits_{x \to -\infty} g(x) = -\infty$ and $\lim\limits_{x \to \infty} f(x) = \infty$.
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.