Answer
$1+\frac{1}{e^x}$
Work Step by Step
Since $\frac{a+b}{c}=\frac{a}{c}+\frac{b}{c}$, the expression becomes $$=\frac{1}{e^x}+\frac{e^x}{e^x}=1+\frac{1}{e^x}$$
Functions Modeling Change: A Preparation for Calculus, 5th Edition
by Connally, Eric; Hughes-Hallett, Deborah; Gleason, Andrew M.; Cheifetz, Phil C.
Published by
Wiley
ISBN 10:
1118583191
ISBN 13:
978-1-11858-319-7
Chapter 11 - Polynomial and Rational Functions - Exercises to Skills Review for Chapter 11 - Page 494: 52
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