Answer
$$15e^{12z}$$
Work Step by Step
Simplifying the expression using the rules of exponents:
$$ 5\cdot \:3e^{7z+4z+z} \\ 15e^{12z}$$
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 4 - Exponential Functions - 4.5 The Number e - Exercises and Problems for Section 4.5 - Skill Refresher - Page 172: S10
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