#include <iostream>
#include <cmath>
using namespace std;
float f(float x)
{
	if (fabs(x) < 2) return sqrt(5 * pow(x, 2) + 5);
	else if ((fabs(x) >= 2) && (fabs(x) <= 10)) return fabs(x) / sqrt(5 * pow(x, 2) + 5);
	else return 0;
}
int main()
{
	float a, b, h, x;
	cout << "a="; cin >> a;
	cout << "b="; cin >> b;
	cout << "h="; cin >> h;
	cout << "x\tf(x)\n";
	for (x = a; x <= b; x += h)
		cout << x << "\t" << f(x) << endl;
	system("pause");
	return 0;
}