document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1007768>Question 1007768</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Determine whether the relation is a function. Explain \r<BR>\n" );
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document.write( "x=5\r<BR>\n" );
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document.write( "a) The graph of the relation is a horizontal line and every vertical line intersects its graph at only one point.<BR>\n" );
document.write( "b) The graph of the relation is a horizontal line and so there is a vertical line x=a,that intersects its graph at more than one point. <BR>\n" );
document.write( "c) The graph of the relation is a vertical line and every vertical line intersects its graph at only one point. <BR>\n" );
document.write( "d) The graph of the relation is a vertical line and so there is a vertical line x=a, that intersects its graph at more than one point. \r<BR>\n" );
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document.write( "Determine whether the relation is a function. Explain \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=5 ALIGN=MIDDLE  ALT=\"x=5\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "answer is:\r<BR>\n" );
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document.write( "the relation is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=not ALIGN=MIDDLE  ALT=\"not\"   DISABLED_style= \"max-width:90%; height:auto;\" > a function\r<BR>\n" );
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document.write( "d) The graph of the relation is a vertical line and so there is a vertical line <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=a ALIGN=MIDDLE  ALT=\"x=a\"   DISABLED_style= \"max-width:90%; height:auto;\" >, that intersects its graph at more than one point. \r<BR>\n" );
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