Answer
$27$
Work Step by Step
Step 1. As $f$ varies jointly as $g^2$ and $h$, we have $f=kg^2h$ where $k$ is a constant.
Step 2. As $f=50$ when $g=5,h=4$, we have $50=k(5)^2(4)$, thus $k=0.5$
Step 3. For $g=3,h=6$, we have $f=0.5(3)^2(6)=27$
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter 3 - Polynomial and Rational Functions - Chapter 3 Test Prep - Review Exercises - Page 402: 91
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