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Graph y=x^2+1 is it a function Is it a function? How did you determine whether or not it was a function? Determine the range and domain
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Graph y=x^2+1 is it a function

Is it a function? How did you determine whether or not it was a function?

Determine the range and domain

User Hannover Fist
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1 Answer

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Hello,

The graph of y = x² + 1 most certainly is a function.
It is a function because for every value of x, there is only one value of y.

The domain of y = x² + 1 is the set of all real numbers and the range is y ≥ 1.
User Adrian Anttila
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