Answer
$$2^u+4^uu$$
Work Step by Step
Expanding the expression by combining like terms where possible, we find:
$$ 2^uu\left(\frac{1}{u}+2^u\right) \\ 2^u\cdot \frac{1}{u}u+2^u\cdot \:2^uu \\ 2^u+4^uu$$
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 3 - Quadratic Functions - Exercises for Skills for Factoring - Page 134: 22
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