Answer
$(x+1)^{2}-2x$
Work Step by Step
$f(x)=x^{2}+1$
$=x^{2}+1+2x-2x$
$=(x+1)^{2}-2x$
Calculus (3rd Edition)
by Rogawski, Jon; Adams, Colin
Published by
W. H. Freeman
ISBN 10:
1464125260
ISBN 13:
978-1-46412-526-3
Chapter 1 - Precalculus Review - 1.2 Linear and Quadratic Functions - Preliminary Questions - Page 17: 6
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