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AP® Calculus AB-BC

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Algebraic Limit Involving Absolute Value

APCALC-BPTXVC

$\lim \limits_{x \to 4} \cfrac{{\sqrt {{x^2} - 8x + 16} }}{{x - 4}}$ is:

A

$1$

B

$-1$

C

$0$

D

nonexistent