A 3 4 b 6 7 c 9 4 d 6 1 July 8, 2019 16 32 64 128 A(4 6 3) b(-5 2 6) c(4 -4 -3) A = 1/9 * b ^ 3 - 6 4(b + 8) + 3/4 * b 1) a = 1/9 * b ^ 3 - 6 4(b + 8) + 3/4 * b