Answer
$f(a)$
Work Step by Step
Based on the properties of limits by direct substitution, if $f(x)$ is a polynomial or a rational function and $a$ is in the domain of $f(x)$, then we have: $$\lim_{x\to a}f(x)=f(a)$$
Precalculus: Mathematics for Calculus, 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305071751
ISBN 13:
978-1-30507-175-9
Chapter 13 - Section 13.2 - Finding Limits Algebraically - 13.2 Exercises - Page 913: 2
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