document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1082213>Question 1082213</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me solve this question: giv aformula for exponential function in the the from f(x)=C*a^x passing through each pair of points. a) (0,13) & (4,31213) and b) (1,16) & (3,9).\r<BR>\n" );
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document.write( "Thank you </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #696271 by </B><A HREF=/tutors/aboutme.mpl?userid=natolino_2017><B>natolino_2017(77)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=natolino_2017><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=696271\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a)\r<BR>\n" );
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document.write( "We need to solve the system:\r<BR>\n" );
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document.write( "1) C = 13<BR>\n" );
document.write( "2)C*a^4 = 31,213\r<BR>\n" );
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document.write( "So C = 13 and a^4 = 2,401<BR>\n" );
document.write( "             a = 7\r<BR>\n" );
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document.write( "b)\r<BR>\n" );
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document.write( "We need to solve the system:\r<BR>\n" );
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document.write( "1) C*a = 16<BR>\n" );
document.write( "2)C*a^3 = 9\r<BR>\n" );
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document.write( "So a^2 = 9/16<BR>\n" );
document.write( "     a = 3/4 and C = 64/3\r<BR>\n" );
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document.write( "@natolino_\r<BR>\n" );
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document.write( " </SPAN>\n" );
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