Precalculus (6th Edition)

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

Chapter 2 - Graphs and Functions - 2.6 Graphs of Basic Functions - 2.6 Exercises - Page 255: 3


$A$ domain: $(-\infty, +\infty)$ range: $(-\infty, \infty)$

Work Step by Step

The graph of the cubing function $f(x)=x^3$ is a curve that is steeply rising from left to right (refer to page 250 of the textbook). Thus, the graph of $f(x)=x^3$ is the one in Option $A$. The graph covers all x-values so the domain is $(-\infty, +\infty)$. The graph covers all y-values so the range is $(-\infty, \infty)$.
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