document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=730922>Question 730922</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is the exponential function (y=ab^x) whose graph passes through the points of (-1, 48) and (2, 6). </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #446915 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=446915\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> What is the exponential function (y=ab^x) whose graph passes through the points of (-1, 48) and (2, 6).<BR>\n" );
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document.write( "You have 2 equations to solve for a and b.<BR>\n" );
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document.write( "48 = ab^-1<BR>\n" );
document.write( "6  = ab^2<BR>\n" );
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document.write( "Divide and solve for \"b\":<BR>\n" );
document.write( "8 = b^-3<BR>\n" );
document.write( "b = 1/2<BR>\n" );
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document.write( "Solve for \"a\":<BR>\n" );
document.write( "6 = a(1/2)^2<BR>\n" );
document.write( "6 = a/4<BR>\n" );
document.write( "a = 24<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "y = 24(1/2)^x<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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