Q: In a mapping how many ordered pairs are there for every arrow?

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The Ordered Pairs are 1x20, 2x10, and 5x4.

A coordinate plane has infinitely many ordered pairs: each and every point in the plane is represented by an ordered pair. There may be a small number of points that are identified for a specific reason: for example the vertices of a triangle or quadrilateral and so you may have a few ordered pairs that are specifically labelled.

Infinitely many. Each and every point on the graph gives rise to an ordered pair.

-1 is a one-dimensional entity. It can have no equivalent in ordered pairs.

Related questions

There is one ordered pair for every arrow in a mapping diagram. The ordered pair represents the mapping from one element in the domain to one element in the codomain.

The answer is 1

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A set of ordered pairs, can also be tables, graphs, or a mapping diagram

The Ordered Pairs are 1x20, 2x10, and 5x4.

A coordinate plane has infinitely many ordered pairs: each and every point in the plane is represented by an ordered pair. There may be a small number of points that are identified for a specific reason: for example the vertices of a triangle or quadrilateral and so you may have a few ordered pairs that are specifically labelled.

Infinitely many. Each and every point on the graph gives rise to an ordered pair.

It is not possible to answer the question with no information about which ordered pairs!

-1 is a one-dimensional entity. It can have no equivalent in ordered pairs.

Y is the second number in a set of ordered pairs.

Ordered pairs that have a negative x and a positive y are in the second quadrant.

Ordered pairs are used for many things. Anytime you graph a point on a cartesian coordinate system, you have an ordered pair. In fact, all of R^2 is made up of ordered pairs. When you put a value in a function and get one out, you have an ordered pair