#### Answer

$\infty $

#### Work Step by Step

\begin{align*}
\lim _{x \rightarrow \infty} \frac{x^{4}+x^{3}}{12 x^{3}+128}&=\lim _{x \rightarrow-\infty} \frac{x+1}{12+\frac{128}{x^{3}}}\\
&=\infty
\end{align*}

Published by
Pearson

ISBN 10:
0-32187-896-5

ISBN 13:
978-0-32187-896-0

$\infty $

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