2x 2 7x 15 x 3 July 8, 2019 16 32 64 128 Lim 2x 2 x 15 3x 2 7x 6 2x 1 3 7x 5 15 x 2 5 2x 3 3x 2 7x 15 x 2 4 F x )= 3x 6 2x 2 7x 15 x 1 2x 7
