X 4 x 2 6x 4 0 July 8, 2019 16 32 64 128 X 4 3x 3 4x 2 6x 4 0 X 3 x 2 6x 4 0 X 4 x 2 6x 1 0 X 3 4x 2 6x 4 0 X 4 x 2 6x 8 0 X 4 x 3 2x 2 6x 4 0 bisection method