9 4x 3 2 4 x 2 2x 1 July 8, 2019 16 32 64 128 1 2 − 4 ( x − 3 ) = 3 9 − 9 x 9 * 3 ^ (x ^ 2 - 4x) 3 ^ - 1 4 2/9 * x = 3x + 2 (4 9-x) 1 2 =3