Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 2 - Graphs and Functions - Test - Page 301: 1

Answer

(a) to D, (b) to D, (c) to C, (d) to B, (e) to C, (f) to C, (g) to C, (h) to D, (i) to D, (j) to C,

Work Step by Step

(a) to D, Domain of $f=\sqrt x+3$ is $x\ge0$ (b) to D, Range of $f=\sqrt {x-3}$ is $[0,\infty)$ (c) to C, Domain of $f=x^2-3$ is $(-\infty,\infty)$ (d) to B, Range of $f=x^2+3$ is $[3,\infty)$ (e) to C, Domain of $f=\sqrt[3] {x-3}$ is $(-\infty,\infty)$ (f) to C, Range of $f=\sqrt[3] x+3$ is $(-\infty,\infty)$ (g) to C, Domain of $f=|x|-3$ is $(-\infty,\infty)$ (h) to D, Range of $f=|x+3|$ is $[0,\infty)$ (i) to D, Domain of $x=y^2$ is $[0,\infty)$ (j) to C, Range of $x=y^2$ is $(-\infty,\infty)$
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