document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1024199>Question 1024199</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1. Given f(x)=x^3-8, if f(x)=0, find x.\r<BR>\n" );
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document.write( "A. 2<BR>\n" );
document.write( "B. -2<BR>\n" );
document.write( "C. 2 or -2<BR>\n" );
document.write( "D. 0<BR>\n" );
document.write( "E. None of the above\r<BR>\n" );
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document.write( "2. If f^-1(6)=-8, find f(-8).\r<BR>\n" );
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document.write( "A. -1<BR>\n" );
document.write( "B. -8 <BR>\n" );
document.write( "C. 0<BR>\n" );
document.write( "D. 6<BR>\n" );
document.write( "E. None of the above\r<BR>\n" );
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document.write( "3. If f(5)=&#8722;4and f(2)=5,find f&#8722;1(5).\r<BR>\n" );
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document.write( "A. -2<BR>\n" );
document.write( "B. 5<BR>\n" );
document.write( "C. 2<BR>\n" );
document.write( "D. -4<BR>\n" );
document.write( "E. None of the above\r<BR>\n" );
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document.write( "4. For each of the following functions, write an equation for the inverse function y = f &#8722;1(x).\r<BR>\n" );
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document.write( "f(x)=2x^3+1\r<BR>\n" );
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document.write( "5. For each of the following functions, write an equation for the inverse function y = f &#8722;1(x).\r<BR>\n" );
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document.write( "f(x)=5/7-x </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #639642 by </B><A HREF=/tutors/aboutme.mpl?userid=robertb><B>robertb(5830)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=robertb><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=robertb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=639642\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1.  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E3+=+8 ALIGN=MIDDLE  ALT=\"x%5E3+=+8\"   DISABLED_style= \"max-width:90%; height:auto;\" > ==> x = 2\r<BR>\n" );
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document.write( "2.  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%5E%28-1%29%286%29+=+-8 ALIGN=MIDDLE  ALT=\"f%5E%28-1%29%286%29+=+-8\"   DISABLED_style= \"max-width:90%; height:auto;\" > ==> f(-8) = 6.\r<BR>\n" );
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document.write( "3.  f(2) = 5 ==> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%5E%28-1%29%285%29=2 ALIGN=MIDDLE  ALT=\"f%5E%28-1%29%285%29=2\"   DISABLED_style= \"max-width:90%; height:auto;\" >.  (f(5)=&#8722;4 is only a distraction.)\r<BR>\n" );
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document.write( "4.  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29+=+y+=+2x%5E3%2B1 ALIGN=MIDDLE  ALT=\"f%28x%29+=+y+=+2x%5E3%2B1\"   DISABLED_style= \"max-width:90%; height:auto;\" > ==> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28y-1%29%2F2+=+x%5E3 ALIGN=MIDDLE  ALT=\"%28y-1%29%2F2+=+x%5E3\"   DISABLED_style= \"max-width:90%; height:auto;\" > ==> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=root%283%2C%28y-1%29%2F2%29+=+x ALIGN=MIDDLE  ALT=\"root%283%2C%28y-1%29%2F2%29+=+x\"   DISABLED_style= \"max-width:90%; height:auto;\" > ==> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%5E%28-1%29%28x%29+=+root%283%2C%28x-1%29%2F2%29 ALIGN=MIDDLE  ALT=\"f%5E%28-1%29%28x%29+=+root%283%2C%28x-1%29%2F2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.  The original function would have an inverse because <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29=+2x%5E3%2B1 ALIGN=MIDDLE  ALT=\"f%28x%29=+2x%5E3%2B1\"   DISABLED_style= \"max-width:90%; height:auto;\" > is a one-to-one function.\r<BR>\n" );
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document.write( "5.  I leave this up to you. </SPAN>\n" );
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