Answer
$1$
Work Step by Step
$\lim _{x\rightarrow -1}\left( 3x^{4}-2x^{3}+4x\right) =3\times \left( -1\right) ^{4}-2\times \left( -1\right) ^{3}+4\times \left( -1\right) =3\times 1-2\times \left( -1\right) +\left( -4\right) =5-4=1$
Calculus (3rd Edition)
by Rogawski, Jon; Adams, Colin
Published by
W. H. Freeman
ISBN 10:
1464125260
ISBN 13:
978-1-46412-526-3
Chapter 2 - Limits - 2.3 Basic Limit Laws - Exercises - Page 58: 9
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