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Can you help me determine whether each of the following is the graph of a funtion , please

Can you help me determine whether each of the following is the graph of a funtion-example-1

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A function passes the vertical line test (VLT). This means that each value of x corresponds to 1 unique y value. (hint: look at #38, at x=0 you can see that there are 2 y values, so the VLT fails)
User Raycons
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