X 4 8x 3 22x 2 24x 21 July 8, 2019 16 32 64 128 F x )= x 4 8x 3 22x 2 24x 21 Fx x 4 8x 3 22x 2 24x 21 ( 2 3 ) x 2 + 4 x ≥ ( 8 27 ) x + 2 ((8x)/(4 - x ^ 2) + (2 - x)/(2 + x)) / ((2 + x)/x)
