## Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole

# Chapter 1 - Section 1.1 - Real Numbers - 1.1 Exercises: 47

#### Answer

-3 $\lt$ x $\lt$ 0

#### Work Step by Step

(-3, 0) With the notation, create the inequality {x$\mid$a$\lt$x$\lt$b} Plug-in a for -3 and b for 0 {x$\mid$-3$\lt$x$\lt$b0} = -3 $\lt$ x $\lt$ 0 Create the number line (Note: the -3 and 0 are specified with circles. This means that the region does not include -3 and 0)

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