What does it mean by changing estimates 312÷48

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

In the diagram, points d and e are marked by drawing arcs of equal size centered at b such that the arcs intersect ba and bc. then, intersecting arcs of equal size are drawn centered at points d and e. point p is located at the intersection of these arcs. based on this construction, m , and m

Askate shop rents roller skates as shown on the table below. which graph and function models this situation?