Calculus with Applications (10th Edition)

Published by Pearson
ISBN 10: 0321749006
ISBN 13: 978-0-32174-900-0

Chapter 2 - Nonlinear Functions - Chapter Review - Review Exercises - Page 113: 23

Answer

Pairs: $(-3,14),\ (-2,5),\ (-1,0),\ (0, -1),\ (1,2),\ (2, 9),\ (3, 20)$ Range: $\{-1,0,2,5,9,14,20\}$ Graph:
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Work Step by Step

$y=(2x-1)(x+1)=2x^{2}+x-1$ $\left[\begin{array}{rrrrrrrr} x: & -3 & -2 & -1 & 0 & 1 & 2 & 3\\ y: & 14 & 5 & 0 & -1 & 2 & 9 & 20 \end{array}\right]$ Pairs: $(-3,14),\ (-2,5),\ (-1,0),\ (0, -1),\ (1,2),\ (2, 9),\ (3, 20)$ Range: $\{-1,0,2,5,9,14,20\}$
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