Таблица значений f(x)

#include <iostream>
#include <cmath>
using namespace std;
void f(float x)
{
	if (!x || x <= -1)cout << "Function undefined";
	else cout << sqrt(pow(x, 3) - 1) / sqrt(pow(x, 2) - 1);
}
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);
		cout << endl;
	}
	system("pause");
	return 0;
}