Questions: Determine whether the equation defines y as a function of x.

Determine whether the equation defines y as a function of x.
Transcript text: Determine whether the equation defines $y$ as a function of $x$.
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Solution

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Solution Steps

To determine whether the equation defines y y as a function of x x , we need to check if for every x x there is exactly one y y . This can be done by solving the equation for y y and checking if y y is uniquely determined by x x .

Step 1: Define the Equation

We start with the equation y2=x y^2 = x .

Step 2: Solve for y y

To determine if y y is a function of x x , we solve the equation for y y : y=±x y = \pm \sqrt{x}

Step 3: Analyze the Solutions

The solutions to the equation are y=x y = \sqrt{x} and y=x y = -\sqrt{x} . This means for each x x , there are two possible values of y y .

Final Answer

Since there are two possible values of y y for each x x , the equation does not define y y as a function of x x .

The equation does not define y as a function of x. \boxed{\text{The equation does not define } y \text{ as a function of } x.}

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