To determine which of the objects is moving at a rate of 2 feet per second, we need to analyze their positions based on the given points.
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Point A (0, 3): This point indicates that at time 0 seconds, the distance is 3 feet. There is no change in the x-coordinate (time), so we cannot determine a speed from this single point.
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Point B (0, 6): This point indicates that at time 0 seconds, the distance is 6 feet. Similar to Point A, there is no change in the x-coordinate, so we cannot determine a speed from this single point.
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Point C (0, 6): This point is the same as Point B, indicating 6 feet at time 0 seconds. Again, there is no change in the x-coordinate, so we cannot determine a speed from this single point.
In summary, since all points represent stationary positions with respect to time (x-coordinate remains 0), it implies that none of the objects (A, B, or C) are moving; hence none of the objects are moving at a rate of 2 feet per second.
The correct answer is: None of the objects.