Shelves Constructed of Plywood, Particleboard, or MDF May Be Reinforced

question 29

True/False

Shelves constructed of plywood, particleboard, or MDF may be reinforced to prevent them from sagging under a load.

---

Definitions:

Vertex

The highest or lowest point of a parabola where it changes direction, or a corner point of a geometric shape.

Focus

In geometry and optics, the point where rays or waves meet or from which they diverge, especially after reflection or refraction.

Function

A relation between a set of inputs and a set of permissible outputs with the property that each input is related to exactly one output.

Vertices

Plural of vertex, referring to the corners or angular points where two or more edges meet in a geometrical shape or graph.