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#3 Let $f(x) = \begin{cases} \frac{x^2 - 1}{x - 1} & \text{if } x \neq 1 \\ K & \text{if } x = 1 \end{cases}$, find (a) $\lim_{x \to 1} f(x)$ (b) Find K so that f is continuous at $x = 1$. (20 points)

          #3 Let $f(x) = \begin{cases} \frac{x^2 - 1}{x - 1} & \text{if } x \neq 1 \\ K & \text{if } x = 1 \end{cases}$, find
(a) $\lim_{x \to 1} f(x)$ (b) Find K so that f is
continuous at $x = 1$. (20 points)

#3 Let f(x) = (x^2 - 1)/(x - 1) if x ≠ 1
K if x = 1, find
(a) limx → 1 f(x) (b) Find K so that f is
continuous at x = 1. (20 points)

Added by Lori L.

Calculus: Early Transcendentals

James Stewart 8th Edition

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#3 Let $f(x) = \begin{cases} \frac{x^2 - 1}{x - 1} & \text{if } x \neq 1 \\ K & \text{if } x = 1 \end{cases}$, find (a) $\lim_{x \to 1} f(x)$ (b) Find K so that f is continuous at $x = 1$. (20 points)

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