document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=71509>Question 71509</A>: <I><SPAN STYLE=\"word-break: break-all;\"> write an exponential function of the form y=ab^x whos graph passes trough the points, (2,5.888),(3,9.4208) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #51131 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=51131\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> write an exponential function of the form y=ab^x whos graph passes trough the points, (2,5.888),(3,9.4208)<BR>\n" );
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document.write( "5.888 = ab^2<BR>\n" );
document.write( "9.4208 = ab^3<BR>\n" );
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document.write( "Divide the 1st equation into the 2nd to get:<BR>\n" );
document.write( "1.6 = b<BR>\n" );
document.write( "Now, solve for \"a\" by substituting 1.6 for b<BR>\n" );
document.write( "5.888 = a (1.6)^2<BR>\n" );
document.write( "a= 5.888/(1.6)^2 = 2.3<BR>\n" );
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document.write( "So, y=(2.3)(1.6)^x<BR>\n" );
document.write( "--------<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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