Answer
a) $107$
b) $-14$
c) $-113$
Work Step by Step
a) $f(20,10)=107$
b) $f(40,20)=-14$
c) $f(10,20)-f(20,10)=-6-107=-113$
Finite Math and Applied Calculus (6th Edition)
by Waner, Stefan; Costenoble, Steven
Published by
Brooks Cole
ISBN 10:
1133607705
ISBN 13:
978-1-13360-770-0
Chapter 15 - Section 15.1 - Functions of Several Variables from the Numerical, Algebraic, and Graphical Viewpoints - Exercises - Page 1094: 19
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