Find the Domain Of $x$ In the Expression $\sqrt { 25 - 16 x ^ { 2 } }$

question 103

Multiple Choice

Find the domain of $x$ in the expression. Use a graphing utility to verify your result. $\sqrt { 25 - 16 x ^ { 2 } }$

• A) \(\left[ \frac { 5 } { 4 } , \frac { 5 } { 4 } \right]\)
• B) \(\left[ - \frac { 5 } { 4 } , - \frac { 5 } { 4 } \right]\)
• C) \(\left[ - \frac { 4 } { 5 } , \frac { 4 } { 5 } \right]\)
• D) \(\left[ - \frac { 5 } { 4 } , \frac { 5 } { 4 } \right]\)
• E) \(\left[ - \frac { 4 } { 5 } , - \frac { 4 } { 5 } \right]\)

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