100 points!!!
An upward opening parabola beginning with an open circle at negative 3 comma 12 decreasing to a vertex at 0 comma 3 and then increasing to a closed circle at 2 comma 7. What is the range of the function?

{x | −3 < x < 2}
{x | −3 ≤ x ≤ 2}
{y | 3 ≤ y ≤ 12}
{y | 3 ≤ y < 12}