Thomas' Calculus 13th Edition

Published by Pearson
ISBN 10: 0-32187-896-5
ISBN 13: 978-0-32187-896-0

Chapter 2: Limits and Continuity - Section 2.6 - Limits Involving Infinity; Asymptotes of Graphs - Exercises 2.6 - Page 97: 2

Answer

(a) $\lim\limits_{x \to 4}f(x)$=$2$ (b) $\lim\limits_{x \to 2^+}f(x)$=$-3$ (c) $\lim\limits_{x \to 2^-}f(x)$=$1$ (d) $\lim\limits_{x \to 2}f(x)$=does not exist (e) $\lim\limits_{x \to -3^+}f(x)$=$1$ (f) $\lim\limits_{x \to -3^-}f(x)$=$+\infty$ (g) $\lim\limits_{x \to -3}f(x)$=$+\infty$ (h) $\lim\limits_{x \to 0^+}$=$+\infty$ (i) $\lim\limits_{x \to 0^-}f(x)$=$-\infty$ (j) $\lim\limits_{x \to 0}f(x)$=does not exist (k) $\lim\limits_{x \to \infty}f(x)$=$0$ (l) $\lim\limits_{x \to \infty}$=$-1$

Work Step by Step

(a) $\lim\limits_{x \to 4}f(x)$=$2$ (b) $\lim\limits_{x \to 2^+}f(x)$=$-3$ (c) $\lim\limits_{x \to 2^-}f(x)$=$1$ (d) $\lim\limits_{x \to 2}f(x)$=does not exist (e) $\lim\limits_{x \to -3^+}f(x)$=$1$ (f) $\lim\limits_{x \to -3^-}f(x)$=$+\infty$ (g) $\lim\limits_{x \to -3}f(x)$=$+\infty$ (h) $\lim\limits_{x \to 0^+}$=$+\infty$ (i) $\lim\limits_{x \to 0^-}f(x)$=$-\infty$ (j) $\lim\limits_{x \to 0}f(x)$=does not exist (k) $\lim\limits_{x \to \infty}f(x)$=$0$ (l) $\lim\limits_{x \to \infty}$=$-1$
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