Answer
$-\infty$
Work Step by Step
$\lim _{x\rightarrow -\infty }\dfrac {t^{4}}{t^{3}-1}=\dfrac {t}{1-\dfrac {1}{t^{3}}}=t=-\infty $
Precalculus: Mathematics for Calculus, 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305071751
ISBN 13:
978-1-30507-175-9
Chapter 13 - Section 13.1 - Finding Limits Numerically and Graphically - 13.1 Exercises - Page 905: 20
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