X 2 3 6x 2 x 3 7 2x 1 July 8, 2019 16 32 64 128 2 ⋅ 3 2 x + 1 − 7 ⋅ 6 x + 2 ⋅ 4 x 3 ⋅ 9 x − 3 x ⋅ 2 x + 1 ≤ 1
