4x 1 9 3 July 8, 2019 16 32 64 128 4x 1 9 3x 9 4x 1 * 9 3 2x 81 4x 1 )( x 3 )= 9 3log9 4x 1 )= 9 1 4x 2 3x 9 7 1 4x x 9 3 8 2x 3 4x 1 )= 9 9 2 4x 1 3 5 4x 1 1 3 9 6 3 25 4x 1 9 13 0 4 4x 9 1 3 x 5 3 (- 5x 2 3 (- 4x 1 9 4x 9 2 1 3 3x 0.5 4x y 9 3x 7y =- 1 3 4x 1 2 =- 2 3x 9
