Give an Example of a Function $f : Z \rightarrow Z$

question 128

Short Answer

Give an example of a function $f : Z \rightarrow Z$
that is 1-1 and not onto $\text { Z }$

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Definitions:

Magnetic Lines

Imaginary lines used to represent the direction and strength of a magnetic field around a magnet or an electric current.

Pole Pieces

The parts of a DC machine that form magnetic poles.

Mechanical Energy

The sum of potential and kinetic energy in a physical system, associated with the motion and position of objects.

DC Electrical Energy

Energy supplied by a direct current (DC) source, characterized by the uni-directional flow of electric charge.