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Which of these relations is a function? last question!!!!!!!!
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Which of these relations is a function?

last question!!!!!!!!

Which of these relations is a function? last question!!!!!!!!-example-1
User Headbanger
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Answer: the top left is a function

User Quentin Roger
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You can determine which is a function using the “vertical line test”. If there is any place where you can draw a vertical line that crosses more than 1 point on the graph, it’s not a function. Therefore, the answer is A
User Dung
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