Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 2 - Set Theory - 2.1 Basic Set Concepts - Exercise Set 2.1 - Page 60: 114



Work Step by Step

{x| x is a time of the day when the average level of happiness was 1} In the graph we can see that at 10 AM , 14 hour and 16 hour the average level of happiness was 1. So set A = {10,14,16}
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