shelby67 shelby67 19-02-2018 Mathematics contestada Find the common ratio of the give sequence, and write an exponential function which represents the sequence. Use n=1, 2, 3, .. A)3;f(n)=81^n-1 B)3;f(n)=81(3)^n-1 C)1/3;f(n)=81(3)^n-1 D)1/3;f(n)=81(1/3)^n-1