document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1105266>Question 1105266</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Determine if the function is one-to-one by noting the function family to which it belongs and mentally picturing the shape of its graph.\r<BR>\n" );
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document.write( "f (x) = (x – 8)3– 9 </SPAN>\n" );
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document.write( "The way you have shown the function, \"f (x) = (x – 8)3– 9\", I don't know what it is supposed to be.  It might be<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29+=+3%28x-8%29-9 ALIGN=MIDDLE  ALT=\"f%28x%29+=+3%28x-8%29-9\"   DISABLED_style= \"max-width:90%; height:auto;\" >;<BR>\n" );
document.write( "or it might be<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29+=+%28x-8%29%5E3-9 ALIGN=MIDDLE  ALT=\"f%28x%29+=+%28x-8%29%5E3-9\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "But in fact if either of those interpretations is correct, then in either case it is a function, because both of those are polynomials; and all polynomials in a single variable are functions. </SPAN>\n" );
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