using System;

​

public class Program

{

    public static void Main()

    {

​

        Console.WriteLine("Resultats per x entre -5 y 5:");

​

        for (int x = -5; x <= 5; x++) 

        {

            double f_x = Math.Pow((x - 2) / 5.0, 2) + 4;

            Console.WriteLine("x = " + x + " | f(x) = " + f_x.ToString("F1"));

        }

    }

}

​