Algebra 2 (1st Edition)

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

Chapter 7 Exponential and Logarithmic Functions - 7.6 Solve Exponential and Logarithmic Equations - 7.6 Exercises - Skill Practice - Page 520: 17



Work Step by Step

To plug the given function into the calculator, we press (2nd) and (LN). Doing this, we find that the exponential function evaluates to: $$e^{-2x} = 4.25 \\ -2x = ln (4.25) \\ -.723$$
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