Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)

Published by Pearson
ISBN 10: 0-32193-104-1
ISBN 13: 978-0-32193-104-7

Appendix A - Review - A.1 Algebra Essentials - A.1 Assess Your Understanding: 49

Answer

$4$

Work Step by Step

Substitute the given values of the variables into the expression: $x+2y=\left( -2\right) +2\times \left( 3\right) =-2+6=6-2=4$
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