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AP® Calculus AB-BC

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Difficult

Limits and Square Root Functions

APCALC-NJNZNG

Compute the limit:

$$\lim_{ x \to5}\frac{\sqrt{x+4}-3}{x-5}$$

A

$0$

B

$\cfrac{1}{6}$

C

$\cfrac{1}{12}$

D

Nonexistent.