// table.cpp: This program produces a table
#include <iostream>
#include <iomanip>
using namespace std;

int main() {

cout << " x                     f(x)\n\n";
cout << fixed;
for (int i=20; i <=40; i+=2) {
 double x = 1/10.0;
 cout << setw(3) << setprecision(1)
      << x << " " 
      << setw(15) << setprecision(10);
      << x*x + x + 1/x << endl;
}
return 0;
}