Select the function that represents the simple interest formula.
O A. A(n) = (n - 1)(P..)", where n is any real number
O B. A(n) = P+(n-1);• P, where nis a positive integer
O C. A(n) = + (P-1)/• P, where n is a positive integer
O D. A(n) = P(1 + )" – 1, where n is any real number