Question

50 points worth

consider this geometric sequence: 1/4,1/2,1,2 ...
What is the explicit function that defines this sequence? (Replace the a and r terms with the correct values.)
f(n)=a*(r)^n-1

Answer 1

Explanation:

(1/4)X(n-1)

Answer 2

f(n) =
`(1)/(4)`(2)^(n-1)

Explanation: