Answer
The range is $[4, \infty)$
Work Step by Step
Recall that in order to change a function to its inverse, the x and y values are switched. Thus, we know that the domain of the original function must be the range of the inverse function.
College Algebra (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0321979478
ISBN 13:
978-0-32197-947-6
Chapter 6 - Section 6.2 - One-to-One Functions; Inverse Functions - 6.2 Assess Your Understanding - Page 419: 9
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