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: 32

Answer

(a) domain: $[-2,3]$, range $[-2,3]$ (b) increasing: $(0,1)$, decreasing: $(-2,0)$ and $(1,3)$

Work Step by Step

(a) The domain consists of the values that $x$ takes on and the range consists of values that $y$ takes on. We see from the graph that the domain is: $[-2, 3]$ and the range is: $[-2, 3]$. (b) We see from the graph that the function is increasing for $x$ interval $(0,1)$ and decreasing for $x$ intervals $(-2,0)$ and $(1,3)$.
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