For this question, choose TWO answers. Which of the following are geometric sequences with a common ratio of 2?
A).an = an-1 + 2, where a 1 = 3
B). f(n) = 5 ∙ 2n, where n = 1, 2, 3, …
C)0.0.0625, 0.125, 0.25, 0.5, 1, …
D).an = 1/2 x an- 1, where a 1 = 2
E).–5,–3, –1, 1, 3, …