Answer:
B. f(n) = 8(2)^n-1
Step-by-step explanation:
I used guess and check to answer this.
Check--
First term: 8(2)^1-1 = 8
Second term: 8(2)^2-1 = 16
Third term: 8(2)^3-1 = 32
Fourth term: 8(2)^4-1 = 64
Fifth term: 8(2)^5-1 = 128
