Let (x) = x/|x|. (a) What are the domain and range of ? (b) Sketch the graph

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Let ƒ(x) = x/|x|.
(a) What are the domain and range of ƒ?
(b) Sketch the graph of ƒ.
(c) Express ƒ as a piecewise-defined function where each of the “pieces” is a constant.

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Calculus

ISBN: 9781319055844

4th Edition

Authors: Jon Rogawski, Colin Adams, Robert Franzosa

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