Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 2 Linear Equations and Functions - 2.1 Represent Relations and Functions - Guided Practice for Examples 1 and 2 - Page 73: 1

Answer

$a.$ Domain = $\{-4, -2, 0$, $1\}.$ Range = $\{-4, -2,1, 3\}.$ $b.$ $\left[\begin{array}{r|r} x & y\\ \hline -4 & 3\\ -2 & -4\\ -2 & 1\\ 0 & 3\\ 1 & -2 \end{array}\right]$.

Work Step by Step

$a.$ The domain consists of all the $x$-coordinates of the ordered pairs: $\{-4, -2, 0$, $1\}.$ The range consists of all the $y$-coordinates of the ordered pairs: $\{-4, -2,1, 3\}.$ $b.$ Table: $\left[\begin{array}{rr} x & y\\ -4 & 3\\ -2 & -4\\ -2 & 1\\ 0 & 3\\ 1 & -2 \end{array}\right]$. See the image for a mapping diagram.
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