Answer
a. $[2,\infty)$
b. $[-1,\infty)$
c. $(-\infty, \infty)$
d. $[1/2,\infty)$
Work Step by Step
Try graphing each function and identify the increasing regions.
Thomas' Calculus 13th Edition
by Thomas Jr., George B.
Published by
Pearson
ISBN 10:
0-32187-896-5
ISBN 13:
978-0-32187-896-0
Chapter 1: Functions - Practice Exercises - Page 37: 30
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