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faust18 [17]
3 years ago
5

{(1,2), (-2,3), (1,3), (-2,2)} is what type of relation?

Mathematics
1 answer:
sveta [45]3 years ago
3 0

Answer:

B. Many-to-many

Step-by-step explanation:

We have the following ordered pairs:

  • (1,2)
  • (-2,3)
  • (1,3)
  • (-2,2)

First let's define the following concepts:

  • One-to-one: A function is said to be one-to-one if every y value has exactly one x value mapped onto it.
  • Many-to-one: If there are y values that have more than one x value mapped onto them.
  • One-to-many: If there are x values that have more than one y value mapped onto them. (NOT A FUNCTION)
  • Many-to-many: If there are x values that have more than one y value mapped onto them and at the same time, there are y values that have more than one x value mapped onto them (NOT A FUNCTION)

From all the ordered pairs, we find that the points (1,2) and (1,3) have the same x-value for diferent y-values. Also we find that the points (1,2) and (-2, 2) have different x-values for the same y-value.

Therefore, the ordered pairs DO NOT belong to a function and can be considered MANY-TO MANY.

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