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Which of these graphs represents a function

Which of these graphs represents a function-example-1
User TimChang
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2 votes

Answer:

W

Explanation:

The vertical line test is a simple tool to determine if a graph is a function. Draw a vertical line through the graph. If at any point where you draw this line you hit the relation twice or more you know it to not be a function. What I mean is that if you have multiple Y's for a single X, then it cant be a function.

Side note: Vertical is up and down, like the line in X.

User Komaruloh
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