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: 46


See below.

Work Step by Step

Switching the elements of the domain and the range, we obtain: $D=0.81419E\\E=\frac{D}{0.81419}$ Hence here $D=250$, thus $E=\frac{250}{0.81419}\approx307.05$
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