document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=209826>Question 209826</A>: <I><SPAN STYLE=\"word-break: break-all;\"> could someone please help.I posted these about 4 days ago,but got no response.Thanks\r<BR>\n" );
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document.write( "find the equation for f^-1(x)<BR>\n" );
document.write( " 1. f(x) = -3x<BR>\n" );
document.write( "2. f(x) = x-7<BR>\n" );
document.write( "3. f(x) = (-2/5)x + 10<BR>\n" );
document.write( "4. f(x) = x^2 + 1\r<BR>\n" );
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document.write( "rewrite as logarithmic equations.use your calculator to solve for x.round to the nearest thousandths.\r<BR>\n" );
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document.write( "(a) 9^x = 60<BR>\n" );
document.write( "(b) 4^3x = 100<BR>\n" );
document.write( "(c) 6^(x+2) = 42\r<BR>\n" );
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document.write( "compute<BR>\n" );
document.write( "1. (4 X 10^4)(7 X 10^-6)<BR>\n" );
document.write( "2. (2 X 10^-4)divided by (8 X 10^-9)\r<BR>\n" );
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document.write( "thank you so much for the help.I really appreciate your time and effort.Sarah </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #158596 by </B><A HREF=/tutors/aboutme.mpl?userid=nyc_function><B>nyc_function(2741)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nyc_function><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=nyc_function><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=158596\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> No one replied because you are obviously looking for people to do your homework.\r<BR>\n" );
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document.write( "TIP: Post one question at a time to get a faster responce.\r<BR>\n" );
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document.write( "Find the equation for f^-1(x)\r<BR>\n" );
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document.write( "1. f(x) = -3x\r<BR>\n" );
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document.write( "I will do the first question only.\r<BR>\n" );
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document.write( "Let y = f(x)\r<BR>\n" );
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document.write( "y = -3x\r<BR>\n" );
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document.write( "Now, switch x and y.\r<BR>\n" );
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document.write( "x = -3y\r<BR>\n" );
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document.write( "Divide both sides by -3.\r<BR>\n" );
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document.write( "x/-3 = y\r<BR>\n" );
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document.write( "Replace y with the inverse function notation.\r<BR>\n" );
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document.write( "x/-3 = f^(-1)x\r<BR>\n" );
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document.write( "We can also write the answer as -x/3 = f^(-1)x\r<BR>\n" );
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document.write( " </SPAN>\n" );
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