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: 65

Answer

$2$

Work Step by Step

Substitute the given values of the variables into the expression: $\left| \left| 4x\right| -\left| 5y\right| \right| =\left| \left| 4\times 3\right| -\left| 5\times \left( -2\right) \right| \right| =\left| \left| 12\right| -\left| -10\right| \right| =\left| 12-10\right| =\left| 2\right| =2$
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