#### Answer

$1+\frac{1}{e^x}$

#### Work Step by Step

Since $\frac{a+b}{c}=\frac{a}{c}+\frac{b}{c}$, the expression becomes $$=\frac{1}{e^x}+\frac{e^x}{e^x}=1+\frac{1}{e^x}$$

Published by
Wiley

ISBN 10:
1118583191

ISBN 13:
978-1-11858-319-7

$1+\frac{1}{e^x}$

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