Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)

Published by Pearson
ISBN 10: 0-32193-104-1
ISBN 13: 978-0-32193-104-7

Appendix A - Review - A.10 Internal Notation; Solving Inequalities - A.10 Assess Your Understanding - Page A86: 1


Refer to the graph below.

Work Step by Step

We use either a bracket or a solid dot at $-2$ to mean that $-2$ is included. Then we shade the region to its right since we are dealing with a "greater than or equal to". The graph of the inequality $x\geq -2$ is shown in the figure below.
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