Select the function that represents a geometric sequence. A. A(n) = P+(n-1);• P, where n is a positive integer B. A(n) = n+ (i-1). P, where n is a positive integer C. A(n) = P(1 + 1) = 1, where n is a positive integer D. A(n) = (n - 1)(pon), where n is any real number