Answer
0
Work Step by Step
Whenever the power of a function is negative, the value of the function as x tends to infinity will be 0. So $\frac{3}{x^4}$ is basically $3x^{-4}$ and thus the value is 0.
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 13.4 - Limits at Infinity; Limits of Sequences - 13.4 Exercises - Page 930: 6
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