SOLUTION: Determine whether the equation defines y as a function of x
X^2+y=49
X^2+y^2=25
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Question 781852: Determine whether the equation defines y as a function of x
X^2+y=49
X^2+y^2=25
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Determine whether the equation defines y as a function of x
X^2+y=49
y = -x^2+49
Is a function:::
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X^2+y^2=25
y = +-sqrt(-x^2+25)
Is not a function.
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Cheers,
Stan H.
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