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B
Graph B
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C
Graph C
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D
Can't be determined
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Solution
The correct option is A Graph A Consider Graph A:
If we pass a vertical line over it, more than one point of the graph intersects vertical line at lot of instance. This means that is not a function.
Consider the Graph B:
If we pass a vertical line over it, there is no instance at which more than one point of the graph intersects the vertical line. This means that it is a function.
Consider the Graph C:
If we pass a vertical line over it, there is no instance at which more than one point of the graph intersects the vertical line. This means that it is also a function.