Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 6 Rational Exponents and Radical Functions - 6.4 Use Inverse Functions - 6.4 Exercises - Problem Solving - Page 444: 49


See below.

Work Step by Step

We obtain: $v=1.34\sqrt l\\v^2=1.8 l\\l=\frac{v^2}{1.8}$ Hence here $v=7.5$, thus $l=\frac{7.5^2}{1.8}=31.25$
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