lib/fase-1/title-header-item.js
function wordcountScore(x) {
  if (x > 5) return 1;
  else return Math.min(1, 2.27 * Math.sqrt(x) - 0.0507 * Math.pow(x, 2) - 2.808);
}
function wordcountScore(x) {
  if (x > 5) return 1;
  else return Math.min(1, 2.27 * Math.sqrt(x) - 0.0507 * Math.pow(x, 2) - 2.808);
}
This function is made by the following requirements: x > 5, y = 1 f(x) = a*sqrt(x) + b*x^2 + c f(2) = 0.2 f(5) = 1 f'(5) = 0