College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter 2, Functions - Section 2.3 - Getting Information from the Graph of a Function - 2.3 Exercises - Page 215: 11


(a) Refer to the image below for the graph. (b) domain is $(-\infty, +\infty)$ range is $(-\infty, +\infty)$

Work Step by Step

(a) Sketch the graph of the function by creating a table of values. Plot each point of the table of values then connect them using a line to complete the graph. (refer to the attached image in the answer part above) (b) Use the graph to find the domain and range. The domain is the set that contains all the x-values covered by the graph/function. The range is the set that contains all the y-values covered by the graph/function. Note that: The graph covers all the x-values. Thus, the domain is $(-\infty, +\infty)$. The graph covers all the y-values. Thus, the range is $(-\infty, +\infty)$.
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