Precalculus (6th Edition)

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

Chapter R - Review of Basic Concepts - R.1 Sets - R.1 Exercises - Page 7: 18


The set is infinite. 10 is an element of the set.

Work Step by Step

The even natural numbers are $2, 4, 6, 8, 10, 12, ...$. The set has no bound on the right so the number of elements is infinite. Note that 10 is an even natural number so it is an element of the given set.
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