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Aryanna Cummings

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3y ago
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Wiki User

13y ago

No. y = x2 - 4 describes a parabola, which means that for each value of x, there will be two values of y. This is not a one to one function.

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Jean Calaquian

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2y ago

y = (x^3)/8

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Q: Is y equals x2-4 a one to one function?
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