document.write( "Question 1003432: y=9 is a function or not
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Algebra.Com's Answer #620155 by fractalier(6550)\"\" \"About 
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Yes it is.
\n" ); document.write( "For every value of x, there is only one value of y. It just hapens to be 9 each time.
\n" ); document.write( "Plus, y = 9 is a horizontal line. Horizontal lines are functions.
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