Find the Domain of X in the Expression $\sqrt { 9 - 4 x ^ { 2 } }$

Find the domain of x in the expression.​ $\sqrt { 9 - 4 x ^ { 2 } }$ ​

A) $\left[ \frac { 3 } { 2 } , \frac { 3 } { 2 } \right]$
B) $\left[ - \frac { 3 } { 2 } , - \frac { 3 } { 2 } \right]$
C) $\left[ - \frac { 3 } { 2 } , \frac { 3 } { 2 } \right]$
D) $\left[ - \frac { 2 } { 3 } , \frac { 2 } { 3 } \right]$
E) $\left[ - \frac { 3 } { 2 } , - \frac { 3 } { 2 } \right]$

Correct Answer:

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