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Chapter 1: Q19. (page 67)

Determine whether the relation2,3,鈭�1,3,0,4,3,2,鈭�2,3 is a function.

Short Answer

Expert verified

The relation 2,3,鈭�1,3,0,4,3,2,鈭�2,3is a function.

Step by step solution

01

Step 1. Given information.

We have a relation2,3,鈭�1,3,0,4,3,2,鈭�2,3

To show that this relation is a function or not.

02

Step 2. Concept apply.

We said any relation is a function, if each different first element is associated with a unique different second element in its all given ordered pairs.

03

Step 3. Calculation.

In the given relation each first value of the ordered pair is associated with a unique second value of the given ordered pair.

As 2 is associated with 3, 鈭�1is associated with 3, 0 with 4, 3 with 2 and 鈭�2is associated with 3.

Hence, the given relation is a function.

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