Answer
$c(x)=8x$
Work Step by Step
The length of a side is $x$
The fencing for the southern boundary costs $4x$
The fencing for the east and west sides cost $2x$ each,
$c(x)=4x+2*2x=4x+4x=8x$
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 1 - Section 1.2 - Functions and Models - Exercises - Page 71: 14
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