What are the zeros of each function for #31,34,39,40

What is the range of the relation in the table below? x y –2 0 –1 2 0 4 1 2 2 0

Ineed me i stuck and i don’t want to get it wrong

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