QUIZ

Question 1/8
Si 2 $\leq$ x < 5 alors :
  $0\leq\dfrac{1}{x}\leq\dfrac{1}{2}$
  $\dfrac{1}{5}<\dfrac{1}{x}\leq\dfrac{1}{2}$
  $\dfrac{1}{5}\leq\dfrac{1}{x}<\dfrac{1}{2}$
  $\dfrac{1}{2}\leq\dfrac{1}{x}<\dfrac{1}{5}$