Question

Asked Dec 26, 2019

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Explain why if a horizontal line intersects the graph of a function in more than one point, then the function is not one-to-one.

Step 1

Given: why if a horizontal line intersects the graph of a function in more than one point, then the function is not one-to-one.

Step 2

The function is one-to-one If we input the different values in the function, but the output never repeated. For example-

Step 3

Now, we show the horizontal...

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