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Mathematics 20 Online
OpenStudy (anonymous):

does the equation y^2 -y^2x=1 describe y as a function of x

OpenStudy (anonymous):

This is not a function in x. Since y is squared, you would get a "plus or minus" when solving for y, indicating two distinct x-values would be paired with a single y-value. This violates the definition of function in x.

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