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 4 - Inverse, Exponential, and Logarithmic Functions - 4.5 Exponential and Logarithmic Equations - 4.5 Exercises - Page 468: 17

Answer

$\{-1.710 \}$

Work Step by Step

Step 1. Take natural logarithm on both sides to get $(x-1)ln4=2x\ ln3$ Step 2. Solve the above equation: $(ln4-2ln3)x=ln4$, thus $x=\frac{ln4}{ln4-2ln3}\approx-1.710$ Step 3. In set form $\{-1.710 \}$

Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.