3. (03.01 LC) The domain of the following relation: R: {(-4, 3), (3, 6), (-2, 1),

The domain would be the x value in each of the points.

Domain                Range

-4                              3

3                               6

-2                              1

3                               6

Step-by-step explanation:

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No

Step-by-step explanation: The set of counting numbers {1, 2, 3, 4, ...} is called the set of natural numbers. The natural numbers begin with 1 and go on indefinitely.

Decimals are not natural numbers unless they have a 0 after the decimal point that repeats. However, 2.8 does not so it's not natural.