Answer
$ x=3$
Work Step by Step
Given $$ y=x^{2}-6 x+7$$
Then to find the critical points
\begin{align*}
y'&=0\\
2x-6&=0
\end{align*}
Hence the critical point is $ x=3$
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 4: Applications of Derivatives - Section 4.1 - Extreme Values of Functions - Exercises 4.1 - Page 192: 41
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