document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1066581>Question 1066581</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Write an exponential decay function where the y-intercept is 4 and the y-values decrease by one-half as x increases by 1. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #681748 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=681748\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Write an exponential decay function where the y-intercept is 4 and the y-values decrease by one-half as x increases by 1. <BR>\n" );
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document.write( "Form: y = a(b)^x<BR>\n" );
document.write( "Because y-values decrease by one-half as x increases by 1<BR>\n" );
document.write( "Form:: y = a(1/2)^x <BR>\n" );
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document.write( "Since y-intercept is 4,<BR>\n" );
document.write( "4 = a(1/2)^0<BR>\n" );
document.write( "a = 4<BR>\n" );
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document.write( "Ans: y = 4(1/2)^x<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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