A geometric sequence has an initial value of −8 and a common ratio of 1.5. Select all the function(s) or formula(s) that could represent the situation. A. f(n) = 1.5(−8)n−1
B. f(n) = −8(1.5)n−1
C. f(n) = 1.5(8)n−1
D. an = −8(an−1); a1 = 1.5
E. an = 1.5(an−1); a1 = −8

A and c

Step-by-step explanation:

I took the test

one that is bigger than 3 1/2

the terms of a geometric sequence can be found by beginning with the first term and multiplying by the common ratio repeatedly. a recursive formula for a geometric sequence with common ratio r is given by an=ran−1 a n = r a n − 1 for n≥2 n ≥ 2 .

step-by-step explanation: