Brainliest and 20

represent the geometric series using the explicit formula.

2, −8, 32, −128, …

f(n) = 2 ⋅ (−4)↑(n−1)
f(n) = 2 ⋅ (4)↑(n−1)
f(n) = f(n − 1) ⋅ (−4)
f(n) = f(n − 1) ⋅ (4)

A

Step-by-step explanation:

The n th term ( explicit formula) for a geometric sequence is

f(n) = a

where a is the first term and r the common ratio

Here a = 2 and r = - 8 ÷ 2 = - 4, thus

f(n) = 2

c

step-by-step explanation:

i think because what else can be a sample of every member

if you need just tell me and i will come to the rescue.

step-by-step explanation: