Answer
$2$
Work Step by Step
We know that inverse variation is $y=\frac{k}{x}$. Thus $6=\frac{k}{3}\\k=18$.
Hence $y=\frac{18}{x}=\frac{18}{9}=2.$
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 6 - Section 6.8 - Modeling Using Variation - Exercise Set - Page 487: 4
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