Help me please with this problem

Which compound inequality could be represented by the graph?

A3-dimensional figure has a square base and 4 lateral faces that meet at a point. explain the difference between the cross sections when a slice is made perpendicular to the base through the vertex, and when a slice is made perpendicular to the base and not through the vertex

Bring the fraction a/a-4 to a denominator of 16-a^2