Arock is thrown upwards from the edge of a 52 foot cliff and eventually falls to the ground. the graph below shows the height, y, of the rock from the ground after x seconds. for witch interval is the rock height always increasing

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