Answer
False.
Work Step by Step
The maximum value is at $x=-\frac{b}{2a}=-\frac{1}{2\cdot(-1)}=0.5.$ Hence the maximum value is $f(0.5)=-(0.5)^2+0.5+1=1.25.$ thus the statement is false.
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter 3 - Polynomial and Rational Functions - Exercise Set 3.1 - Page 346: 94
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