Answer
False
Work Step by Step
This is false. We can find the maximum of the parabola written in vertex form
$$f(x)=a(x-h)^2+k$$ as follows: $$(h,k)$$
In our case $h=5$, $k=-1$, so the vertex is $(5,-1)$ not $(5,1)$.
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 8 - Section 8.3 - Quadratic Functions and Their Graphs - Exercise Set - Page 628: 89
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