If logx_x000D_ _x000D_ 9_x000D_ _x000D_ = -_x000D_ 1_x000D_ , then x is equal to:_x000D_ _x000D_ _x000D_ 16_x000D_ 2

• A. -_x000D_ 3_x000D_ _x000D_ _x000D_ 4
• B. 3_x000D_ _x000D_ _x000D_ 4
• C. 81_x000D_ _x000D_ _x000D_ 256
• D. 256_x000D_ _x000D_ _x000D_ 81