Answer
$$27$$
Work Step by Step
Since $ f(x,y)$ is continuous at $(2,3)$, then we have
$$ f(2,3)=\lim\limits_{(x,y) \to (2,3)}f(x,y)=\lim\limits_{(x,y) \to (2,3)}y^3=3^3=27.$$
Calculus (3rd Edition)
by Rogawski, Jon; Adams, Colin
Published by
W. H. Freeman
ISBN 10:
1464125260
ISBN 13:
978-1-46412-526-3
Chapter 15 - Differentiation in Several Variables - 15.2 Limits and Continuity in Several Variables - Preliminary Questions - Page 771: 2
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