Solve for X $\log _ { 7 } x = \frac { 1 } { 2 }$

Multiple Choice

Solve for x.Approximate the result to three decimal places. $\log _ { 7 } x = \frac { 1 } { 2 }$

A) $\sqrt { 7 } \approx 2.828$
B) $\sqrt { 7 } = 2.646$
C) $\sqrt { 7 } \approx - 2.646$
D) $\sqrt { 7 } \approx 2.646$
E) $\frac { \sqrt { 7 } } { 7 } \approx 2.646$