document.write( "Question 1010998: The nth term of the sequence\r
\n" ); document.write( "\n" ); document.write( " -2, 1, 4, 7, 10,...\r
\n" ); document.write( "\n" ); document.write( " is given by the formula \r
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\n" ); document.write( "\n" ); document.write( "A)
\n" ); document.write( " an = n - 3 \r
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\n" ); document.write( "B)
\n" ); document.write( " an = 3n - 3 \r
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\n" ); document.write( "C)
\n" ); document.write( " an = n - 5 \r
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\n" ); document.write( "D)
\n" ); document.write( " an = 3n - 5
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Algebra.Com's Answer #626523 by rothauserc(4718)\"\" \"About 
You can put this solution on YOUR website!
the general formula for the nth term in an arithmetic sequence is:
\n" ); document.write( "an = a0 + d(n-1) where a0 is the first term, n is nth, d is the difference
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\n" ); document.write( "for our problem a0 is -2, d is 3
\n" ); document.write( "an = -2 + 3(n-1)
\n" ); document.write( "an = -2 + 3n -3
\n" ); document.write( "an = -5 + 3n
\n" ); document.write( "the answer is option D
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