Determining Limits Using Algebraic Manipulation

AP Calculus AB· difficulty 4/5

\displaystyle \lim_{x \to 2} \frac{x^2 - 4}{x - 2} =

A
$2$
B
$Does not exist$
C
$4$
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D
$0$

Explanation

(x-2)(x+2)/(x-2) = x+2 \to 4

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