document.write( "Question 1157787: Write the exponential equation passing through the points (3, 8) and (7, 58). \n" ); document.write( "
Algebra.Com's Answer #780649 by MathLover1(20849)\"\" \"About 
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Write the exponential equation passing through the points (\"3\",\"+8\") and (\"7\", \"58\").\r
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\n" ); document.write( "\n" ); document.write( "\"f%28x%29=a%2Ab%5Ex\"......use first point\r
\n" ); document.write( "\n" ); document.write( "\"8=a%2Ab%5E3\"\r
\n" ); document.write( "\n" ); document.write( "\"a=8%2Fb%5E3\".....eq.1\r
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\n" ); document.write( "\n" ); document.write( "\"58=a%2Ab%5E7\"......use second point\r
\n" ); document.write( "\n" ); document.write( "\"a=58%2Fb%5E7\".....eq.2\r
\n" ); document.write( "\n" ); document.write( "from eq.1 and eq.2 we have\r
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\n" ); document.write( "\n" ); document.write( "\"8%2Fb%5E3=58%2Fb%5E7\"\r
\n" ); document.write( "\n" ); document.write( "\"b%5E7%2Fb%5E3=58%2F8\"\r
\n" ); document.write( "\n" ); document.write( "\"b%5E4=58%2F8\"\r
\n" ); document.write( "\n" ); document.write( "\"b%5E4=29%2F4\"\r
\n" ); document.write( "\n" ); document.write( "\"matrix%282%2C1%2C%22%22%2Cb=29%5E%281%2F4%29%2Fsqrt%282%29%29\"
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\n" ); document.write( "\n" ); document.write( "\"matrix%282%2C1%2C%22%22%2Ca=8%2F%28%2829%2F4%29%5E%281%2F4%29%2Fsqrt%282%29%29%5E3%29\".....eq.1\r
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\n" ); document.write( "\n" ); document.write( "\"matrix%282%2C1%2C%22%22%2Ca=%2816sqrt%282%29%29%2F29%5E%283%2F4%29%29\"\r
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\n" ); document.write( "\n" ); document.write( "your exponential equation is:\r
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