Answer
Maximum (6)
Work Step by Step
Putting this in vertex form,
$$2-4x-x^2=-(x+2)^2+6$$
Since a square is nonnegative,
the maximum value is $\boxed{6}$
College Algebra 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305115546
ISBN 13:
978-1-30511-554-5
Chapter 3, Polynomial and Rational Functions - Section 3.1 - Quadratic Functions and Models - 3.1 Exercises - Page 288: 36
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