## Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole

# Chapter 1 - Section 1.1 - Real Numbers - 1.1 Exercises: 54

[1, 2]

#### Work Step by Step

For interval notation, use the two numerical values separated by a comma: $$1,2$$ Then, add brackets because both values are included, less than *or equal to* and greater than *or equal to*: $$[1, 2]$$

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