Answer:
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Answer:
its c because the x is not repeating so let's say x are people and y is the are the location. multiple x values can give the the same y but an x value can only give one y if x give more than one y value, or in other words repeats itself, then is not a function
The expanded form of 74,271 is: "70,000 + 4,000 + 200 + 70 + 1 = 74,271"