Discrete Mathematics with Applications 4th Edition

Published by Cengage Learning
ISBN 10: 0-49539-132-8
ISBN 13: 978-0-49539-132-6

Chapter 1 - Speaking Mathematically - Exercise Set 1.2: 6

Answer

There are 2 elements in $T_{2}$ and 2 elements in $T_{-3}$. There is 1 element in $T_{1}$ and 1 element in $T_{0}$.

Work Step by Step

$T_{2}=\{2,4\}$ and $T_{-3}=\{-3,9\}$. $T_{1}=\{1,1^{2}\}=\{1,1\}=\{1\}$ and $T_{0}=\{0,0^{2}\}=\{0,0\}=\{0\}$.
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