document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=114082>Question 114082</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help w/pre-test for final.<BR>\n" );
document.write( "Find f^-1 (x), if it exists, for f(x) = 6x+5\r<BR>\n" );
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document.write( "Find the total amount of money in an account if $8000 was deposited 6 years ago at 2% interest compounded semi-annually.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #83012 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=83012\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find f^-1 (x), if it exists, for f(x) = 6x+5<BR>\n" );
document.write( "You have y = 6x+5<BR>\n" );
document.write( "Interchange x and y to get:<BR>\n" );
document.write( "x = 6y + 5<BR>\n" );
document.write( "Solve for y:<BR>\n" );
document.write( "y = (1/6)x -(5/6)<BR>\n" );
document.write( "--------------------------\r<BR>\n" );
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document.write( "Find the total amount of money in an account if $8000 was deposited 6 years ago at 12% interest compounded semi-annually.<BR>\n" );
document.write( "A(6) = 8000(1+0.12/2)^(2*6)<BR>\n" );
document.write( "A(6) = 8000(1.06)^12<BR>\n" );
document.write( "A(6) = 8000*2.012196<BR>\n" );
document.write( "A(6) = $16,097.57<BR>\n" );
document.write( "========================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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