Answer
a. A function $f(x)$ is continuous from left at $x=a$ if $$ \lim\limits_{x \to a^{-}} f(x)=f(a)$$. b. A function $f(x)$ is continuous from right at $x=a$ if $$ \lim\limits_{x \to a^{+}} f(x)=f(a)$$
Work Step by Step
See the definition .
Calculus: Early Transcendentals (2nd Edition)
by Briggs, Bill L.; Cochran, Lyle; Gillett, Bernard
Published by
Pearson
ISBN 10:
0321947347
ISBN 13:
978-0-32194-734-5
Chapter 2 - Limits - 2.6 Continuity - 2.6 Exercises - Page 108: 5
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