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Graph 1: We first write the coordinates of the points (-5,4), (-4,-4),(-1,-3),(2,5),(4,4), (5,-2)
Here we see for one x value there is exactly one y value.
So, graph 1 represents a function.
Answer: Graph 1 is function
Definition of Vertical Line Test: A test use to determine if a relation is a function. A relation is a function if there are no vertical lines that intersect the graph at more tha...
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