Question

Find the first six terms of the sequence.

a1 = 4, an = 2 • an-1

Answer 1

4, 8, 10, 12, 14, 16

0, 2, 8, 10, 12, 14

4, 8, 16, 32, 64, 128

8, 16, 32, 64, 128, 256

Answer 2

So each new term is just doubled, so 4,8,16,32,34,128 (C)

Answer 3

oh ok so it like multiplying like 4 x 2 = 8 and 4x 4 = 16