document.write( "Question 1191121: Which of these sets represents a function, [(-1, 8), (5,7),(5rr)] [(7,3),(5,-2),(4,3)]
\n" ); document.write( "Both or neither
\n" ); document.write( "This is all information given\r
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Algebra.Com's Answer #822882 by MathLover1(20850) $\"\"$ $\"About$

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[(-1, 8), (5,7),(5rr)] -> here must be mistake with last ordered pair (5rr)\r
\n" ); document.write( "\n" ); document.write( "[( $\"7\"$ , $\"3\"$ ),( $\"5\"$ , $\"-2\"$ ),( $\"4\"$ , $\"3\"$ )]\r
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\n" ); document.write( "\n" ); document.write( "A function is a special relationship where each input has a single output. A relation is a function, if and only if, the x- values do not repeat in a given set.
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\n" ); document.write( "\n" ); document.write( "The set [( $\"7\"$ , $\"3\"$ ),( $\"5\"$ , $\"-2\"$ ),( $\"4\"$ , $\"3\"$ )] :\r
\n" ); document.write( "\n" ); document.write( "Function Check:
\n" ); document.write( " $\"x\"$ | $\"y\"$ | $\"Occurrences\"$ of $\"x\"$
\n" ); document.write( " $\"7\"$ | $\"%09++3\"$ | $\"%09++1\"$
\n" ); document.write( " $\"+5\"$ | $\"%09++-2\"$ | $\"%09++1\"$
\n" ); document.write( " $\"4\"$ | $\"%09++3\"$ | $\"%09++1\"$ \r
\n" ); document.write( "\n" ); document.write( "Because all of our $\"x\"$ values are $\"unique\"$ , the set of ordered pairs $\"is\"$ a $\"function\"$ ’\r
\n" ); document.write( "\n" ); document.write( "The Domain is just the input values
\n" ); document.write( "Domain = ( $\"7\"$ , $\"5\"$ , $\"4\"$ )\r
\n" ); document.write( "\n" ); document.write( "The Range is just the input values
\n" ); document.write( "Range = ( $\"3\"$ , $\"-2\"$ )\r
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