document.write( "Question 131469: which of this is a function
\n" ); document.write( "x=y^2-4 and x^2+7=y
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Algebra.Com's Answer #95980 by benni1013(206)\"\" \"About 
You can put this solution on YOUR website!
The y= equation will always be a function never the x equals equation \n" ); document.write( "
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