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 1.3: 13

Answer

a. The domain is $A=\{-1,0,1\}$ and the codomain is $B=\{t,u,v,w\}$. b. $F(-1)=u, F(0)=w, F(1)=u$

Work Step by Step

Recall that, for a function, every value in the domain must be mapped onto a value in the codomain, but not every value in the codomain must be paired with a value from the domain.
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