What is the formula for determining the future value of an amount?

What is the formula for determining the future value of an amount?This formula from the book, f = p x f ( i, n)n = Number of periods during which the compounding occursp = Present value of future sumf = Future value of present sumi= interest rate per periodthis is the formula you gave , Which one is the correct oneFV = C0 * (1 + r) n