Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 11 - Further Topics in Algebra - 11.6 Basics of Counting Theory - 11.6 Exercises - Page 1061: 35


Permutations: (a), (b), (e), (f). Combinations: (c), (d), (g).

Work Step by Step

Permutations involve order as being important. Keywords: arrangement, schedule, order... Choices where order is important: (a), (b), (e), (f). With combinations, order does not matter. Keywords: subset, committee, sample, group,... Choices where order is not important: (c), (d), (g).
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