Let's consider a code example showing what would be allowed (or not) using different levels of inheritance: 1  class BaseClass {}; void freeStandingFunction(BaseClass* b); class DerivedProtected : protected BaseClass { DerivedProtected() { freeStandingFunction(this); // Allowed } };
Definition of Horizontal Axis. Horizontal means flat or level. Horizontal axis is the x-axis on a graph. The blue number line in the figure below is the x-axis, the horizontal axis.
The Vertical Axis in the Cartesian Plane. The vertical axis is part of what is called the Cartesian plane, or what is known more colloquially as the x-y plane. The vertical axis intersects the horizontal axis at what is called the origin.. This is the point (0,0).The Cartesian plane is parametrized with coordinates, which means that the vertical axis is broken up into units.epresentation of the Vertical Axis. The vertical axis is represented as a vertical line with arrows at the top and bottom to indicate that it continues indefinitely in both the positive and negative direction.