document.write( "Question 924149: Which relation is not a function? A.) y=3x-4, b.) y+5=-4x, c.) x=-6, d.) -y-x=-7. Thanks for your help. \n" ); document.write( "

Algebra.Com's Answer #560646 by TimothyLamb(4379) $\"\"$ $\"About$

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by the vertical line test, the following is not a function because a single value of x has more than one value of y:
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\n" ); document.write( "c) x=-6
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