Answer
-1
Work Step by Step
Using the dot product, which tells us to multiply corresponding components and to then add, we find:
$$1\cdot \left(-2\right)+3\cdot \:3+\left(-2\right)\cdot \:4 \\ -1$$
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 12 - Vectors and Matrices - Review Exercises and Problems for Chapter Twelve - Page 532: 14
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