Answer
x=$\frac{37}{2}$
Work Step by Step
[√2x−1]+3=9
Subtract 3
[√2x−1]=6
Square both sides to cancel the square root
[√2x−1]^2 =6^2
=
2x−1=36
Add 1
2x=37
Divide by 2
x=$\frac{37}{2}$
Functions Modeling Change: A Preparation for Calculus, 5th Edition
by Connally, Eric; Hughes-Hallett, Deborah; Gleason, Andrew M.; Cheifetz, Phil C.
Published by
Wiley
ISBN 10:
1118583191
ISBN 13:
978-1-11858-319-7
Chapter 2 - Functions - 2.1 Input and Output - Exercises and Problems for Section 2.1 - Skill Refresher - Page 75: S8
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