Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 8 - Section 8.4 - Interval Notation, Finding Domains and Ranges from Graphs, and Graphing Piecewise-Defined Functions - Exercise Set - Page 604: 16


Domain: (-infinity, -2]U[2, infinity) Range: (-infinity, infinity)

Work Step by Step

The graph extends from x= -2 infinitely to the left and from x=2 infinitely to the right, with nothing in between, so the domain is from -infinity to -2 and 2 to infinity The graph extends infinitely both upwards and downwards, so the range is from negative to positive infinity
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