Answer
$x=-22$
Work Step by Step
Substitute $5$ to $f(x)$ to obtain:
$f(x)=\sqrt{3-x}\\
5=\sqrt{3-x}\\
5^2=(\sqrt{3-x})^2\\
25=3-x\\
x=3-25\\
x=-22$
Precalculus (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0-32197-907-9
ISBN 13:
978-0-32197-907-0
Chapter 4 - Polynomial and Rational Functions - 4.6 Complex Zeros; Fundamental Theorem of Algebra - 4.6 Assess Your Understanding - Page 241: 50
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