Answer
$= 78$
Work Step by Step
We plug in $x = -4$ and $y = -1$ to obtain:
$= 5x^{2} + 2y^{3}$
$= 5(-4)^{2} + 2(-1)^{3}$
$= 5(16) + 2(-1)$
$= 80 - 2$
$= 78$
Elementary Algebra
by Kaufmann, Jerome; Schwitters, Karen;
Published by
Cengage Learning
ISBN 10:
1285194055
ISBN 13:
978-1-28519-405-9
Chapter 2 - Real Numbers - 2.4 - Exponents - Problem Set 2.4 - Page 76: 94
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