document.write( "Question 120256: Using the following sequence (-1,-5,-9,-13,...) find the function tn. \n" ); document.write( "
Algebra.Com's Answer #88122 by stanbon(75887)\"\" \"About 
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Using the following sequence (-1,-5,-9,-13,...) find the function tn.
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\n" ); document.write( "Since the common difference is d = -4 and since a(1)=-1,
\n" ); document.write( "a(n) = -1 + (n-1)(-4)
\n" ); document.write( "a(n) = -1 -4n+4
\n" ); document.write( "a(n) = 3-4n
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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