Answer
d., $(a+1)^{2}+1$
Work Step by Step
We are given that $f(x)=x^{2}+1$. To find $f(a+1)$, we can simply plug in $a+1$ into the given equation for x.
$f(a+1)=(a+1)^{2}+1$
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 5 - Section 5.4 - Multiplying Polynomials - Vocabulary, Readiness & Video Check - Page 288: 5
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