SOLUTION: determine whether each equation defines y as a function of x. 4x=y^2

SOLUTION: determine whether each equation defines y as a function of x. 4x=y^2

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Question 961612: determine whether each equation defines y as a function of x.
4x=y^2
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
Not this one. See . y can be either negative or positive, so two values of y for any single x. Here y is not a function of x, although x is a function of y.
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