3 2 1 4 f )= 12 3 4 July 8, 2019 16 32 64 128 3 2 1 4 f )= 12 3 4 answer 6 2 1 4 f )= 12 3 4 1 2 + 3 4 1 + 2 + 3 + 4 = 10 4 1/2 + 1 1/3