document.write( "Question 686485: if an equation has y to the second power can it still be a function
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Algebra.Com's Answer #424796 by jim_thompson5910(35256) $\"\"$ $\"About$

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No it cannot. If you solve for y, you take the square root of both sides. However, the square root will have a plus/minus, which invalidates the fact that it can be a function. \n" ); document.write( "

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