Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 1 - Section 1.1 - Algebraic Expressions, Real Numbers, and Interval Notation - Exercise Set - Page 13: 81



Work Step by Step

The first condition asks us if 12 is a member of the natural numbers. This is true. The second condition asks us if $3$ is a member of the set ${\{1,2,3,4}\}$. It is, so both conditions are satisfied, and the statement is true.
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