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Find $\lim _ { x \rightarrow 8 } \frac { 5 x } { \sqrt { x + 2 } }$

Question 72

Multiple Choice

Find
$\lim _ { x \rightarrow 8 } \frac { 5 x } { \sqrt { x + 2 } }$
by direct substitution.

A) $\frac { 8 } { \sqrt { 10 } }$
B) $10 \sqrt { 2 }$
C) $40 \sqrt { 10 }$
D) 1
E) $\frac { 40 } { \sqrt { 10 } }$

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