document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=131694>Question 131694</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi I dont understand how to do this problem.  The chapter is on exponential and logarithmic functions.  the problem on writing an exponential function from two points on the functions graph.\r<BR>\n" );
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document.write( "Heres the question\r<BR>\n" );
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document.write( "Write an exponential function of the form y=ab^x that includes the given points. (1,2) (2,8)\r<BR>\n" );
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document.write( "Thanks alot </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #96136 by </B><A HREF=/tutors/aboutme.mpl?userid=rapaljer><B>rapaljer(4671)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rapaljer><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=rapaljer><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=96136\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You are given <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=ab%5Ex ALIGN=MIDDLE  ALT=\"y=ab%5Ex\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "(1,2) <BR>\n" );
document.write( "2=ab^1<BR>\n" );
document.write( "ab=2\r<BR>\n" );
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document.write( "(2,8)<BR>\n" );
document.write( "8=ab^3<BR>\n" );
document.write( "ab*b^2=8  Substitute ab=2\r<BR>\n" );
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document.write( "2b^2=8<BR>\n" );
document.write( "b^2=4<BR>\n" );
document.write( "b=2  (assume base number to be a positive number!)\r<BR>\n" );
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document.write( "ab=2, where b=2<BR>\n" );
document.write( "a=1\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=ab%5Ex ALIGN=MIDDLE  ALT=\"y=ab%5Ex\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=2%5Ex ALIGN=MIDDLE  ALT=\"y=2%5Ex\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "For additional explanation, please see my own website by clicking on my tutor name anywhere in algebra.com.  Look for MATH IN LIVING COLOR, and go to College Algebra, Chapter 4.  I'm thinking about posting my entire explanation of Logarithms in the near future, when I get time to do so.\r<BR>\n" );
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document.write( "R^2<BR>\n" );
document.write( " </SPAN>\n" );
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