document.write( "Question 932735: Sequence : 7,9,11,13....
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Algebra.Com's Answer #567018 by Edwin McCravy(20056)\"\" \"About 
You can put this solution on YOUR website!
7,9,11,13....
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document.write( "\"a%5B1%5D=7\", \"d=2\"\r\n" );
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document.write( "\"a%5Bn%5D=a%5B1%5D%2B%28n-1%29d\"\r\n" );
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document.write( "\"a%5Bn%5D=7%2B%28n-1%292\"\r\n" );
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document.write( "\"a%5Bn%5D=7%2B2n-2\"\r\n" );
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document.write( "\"a%5Bn%5D=5%2B2n\"\r\n" );
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document.write( "Find sigma notation for the sum of the first twenty terms\r\n" );
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document.write( "\"sum%28%285%2B2n%29%2Cn=1%2C20%29\"\r\n" );
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document.write( "I think that's all you're supposed to do.  We can go further\r\n" );
document.write( "and evaluate that sum, which you'll probably have next semester:\r\n" );
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document.write( "\"sum%28%285%29%2Cn=1%2C20%29\"\"%22%22%2B%22%22\"\"sum%28%282n%29%2Cn=1%2C20%29\"\r\n" );
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document.write( "\"5sum%28%281%29%2Cn=1%2C20%29\"\"%22%22%2B%22%22\"\"2sum%28%28n%29%2Cn=1%2C20%29\"\r\n" );
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document.write( "\"5%2A20%2B2%2820%2820%2B1%29%29%2F2\"\r\n" );
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document.write( "\"100%2B%2820%2A21%29\"\r\n" );
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document.write( "\"100%2B420\"\r\n" );
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document.write( "\"520\"\r\n" );
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document.write( "Edwin
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