# Chapter R - Review of Basic Concepts - R.1 Sets - R.1 Exercises: 71

false

#### Work Step by Step

RECALL: (1) The symbol $\cup$ represents union of sets (2) The union of sets A and B is the set that contains the combined elements of A and B. When the elements of the two sets are combined, the resulting set is $\left\{1, 2, 5, 7, 9\right\}$ Thus, the given statement is false.

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