15 3 5 9 July 8, 2019 16 32 64 128 15 1 3 5 9 3 15 x 5 9 15 5 9 3 6 15 8 3 6 x 5 9 1 3 5 9 15 sequence 2 3 5 15 9 3 5 9 8 15 3 5 7 9 15 3x 15 x =- 3x 3 9 5 15 5 3 9 answer 3 15 x 5 9 simplified 3 5 9 15 sequence formula 3 5 9 15 sequence 3 5 9 15 pattern 5 15 3 9 true or false