document.write( "Question 125286: determine whether each relation is a function
\n" ); document.write( " 1.)(4,5) (2,-3) (-2,5) (4,7)
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Algebra.Com's Answer #91816 by Fombitz(32388) $\"\"$ $\"About$

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No, it's not a function.
\n" ); document.write( "It violates the requirement that an input value provides a unique output value because f(4)=5 and f(4)=7. \n" ); document.write( "

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