What is the range of the function represented by these ordered pairs? {(−2,1),(0,0),(3,−1),(−1,7),(5,7)}

The range is the set of all output values, which are the second numbers in each ordered pair. These are 1, 0, −1, 7, and 7; list each value only once to get {−1, 0, 1, 7}. Therefore, the correct choice is C, {−1, 0, 1, 7}.

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