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Mathematics, 04.12.2020 17:20 delawdermia27

A function is given by the set of ordered pairs {(-2,1),(-1,6), (0,11), (1,16), (2, 21). Which of the following best describes the domain of this function?
(1) All real numbers from -2 to 2
(2) All integers from -2 to 2
(3) All real numbers from 1 to 21
(4) All integers from 1 to 21

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