Urgent I need help please

The parabola opens: y=√x-4 (principal square root) up down right left

Aperpendicular bisector, cd is drawn through point con ab if the coordinates of point a are (-3, 2) and the coordinates of point b are (7,6), the x-intercept of cd is point lies on cd.

What is the range for 31,39,29,34,37,24,36,33,34,28