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AP® Calculus AB-BC

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Difficult

Radical to Infinity

APCALC-RQE2TU

Find the limit.

$$\lim _{ x\xrightarrow { } \infty }{ 4x-\sqrt { { 16x }^{ 2 }-x } } $$

A

$-\cfrac{1}{8}$

B

$\cfrac{ 1 }{ 8 }$

C

$0$

D

$\infty$