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AP® Calculus AB-BC

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Difficult

Limit to Infinity

APCALC-DLBWIC

Evaluate the limit:

$$\lim _{ x\rightarrow \infty }{ { \left( { 2 }^{ x }+{ 2 }^{ 2x } \right) }^{ \frac { 1 }{ x } } } $$

A

$0$

B

$e$

C

$4$

D

The limit does not exist