Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 1 - Review Exercises - Page 301: 32


a. $(-\infty,\infty)$ b. $(-\infty,3]$ c. $x=-2, 3$ d. $y=3$ e. $(-\infty,3)$, $(0,\infty)$ f. $f(-2)=0, f(6)=-3$

Work Step by Step

Using the figure given in the exercise, we have: a. the function’s domain as $(-\infty,\infty)$ b. the function’s range as $(-\infty,3]$ c. the x-intercepts as $x=-2, 3$ d. the y-intercept as $y=3$ e. intervals on which the function is increasing as $(-\infty,3)$, decreasing as $(0,\infty)$ f. $f(-2)=0, f(6)=-3$
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