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Question 89665: Explain what it means for a function to be one to one. Give an example.
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! For each x value there is one y; for each y value there is one x
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Example: y = 3x+4 is one-to-one;its graph is a line
Example: y = x^2 is NOT one-to-one; its graph is a parabola where
certain y values are related to two different x values: (1,1) (-1,1)
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Cheers,
Stan H.
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