Calculus (3rd Edition)

Published by W. H. Freeman
ISBN 10: 1464125260
ISBN 13: 978-1-46412-526-3

Chapter 1 - Precalculus Review - 1.1 Real Numbers, Functions, and Graphs - Exercises: 41

Answer

Domain: all real values, Range: all real values

Work Step by Step

For any polynomial $x^n$ where n is positive, the domain is all real values (any x value can be inputted). As x gets larger, y continues to get smaller. As x gets smaller, y continues to get larger. Therefore, the range is all real values.
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