help with c++ programming project 3

I ONLY NEED HELP WITH THE PROGRAMING WHICH IS PART 3 IN THE FILE ATTACHED..

using microsoft visual studio 2010 to implement the progam..

program requirement:

• Your program must include a recursive function that computes x_n for a given value of n. If the value for xn becomes > 1, then you can assume that the population will exceed continue to exceed the population capacity and should terminate subsequent computations. 

• Your program must include a function that asks the use to specify a value for r , a value for x₀, and a number of generations, n. 

• Your program needs to calculate the results for your initial parameters and place the output in a tab delimited text file. This file should also contain information about the initial conditions of the model.