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Chapter 2: Q. 21 (page 69)

Determine whether each relation represents a function. For each function, state the domain and range.

{(1,3),(2,3),(3,3),(4,3)}

Short Answer

Expert verified

The domain of function is{1,2,3,4} and range is{3}.

Step by step solution

01

Step 1. Given Information 

In the given question we have to determine whether each relation represents a function and for each function, we have to state the domain and range.

{(1,3),(2,3),(3,3),(4,3)}

02

Step 2. This relation is a function because there are no ordered pairs with the same first element and different second elements. 

The domain is the set of all the values of x.

Domain:{1,2,3,4}

03

Step 3. The range is the set of all values of y.

Range:{3}

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