Create a C++ program program that create a value-returning function named Fib that takes an integer as its input and returns the result of the Fibonacci sequence. Use code learned in chapters 1-9.

4. In mathematics, the Fibonacci numbers are the series of numbers that exhibit the fol- lowing pattern: 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144,. In mathematical notation the sequence F, of Fibonacci numbers is defined by the fol- lowing recurrence relation