Answer
$P = \frac{32}{x} + 2x$
Work Step by Step
Perimeter of a rectangle is $2l + 2w$
The Area is 16 squared meters
Since $A = lw = 16$
$l = \frac{16}{w}$
So the perimeter is:
$2\frac{16}{w} + 2w$
Let w = x
$P = \frac{32}{x} + 2x$
Precalculus: Mathematics for Calculus, 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305071751
ISBN 13:
978-1-30507-175-9
Chapter 2 - Review - Modeling with Functions - Problems - Page 240: 6
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