document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1117386>Question 1117386</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Write an explicit formula for the sequence -3, 1, 5, 9,...\r<BR>\n" );
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document.write( "A) an=-3+4(n-1)<BR>\n" );
document.write( "B) an=-3+4n<BR>\n" );
document.write( "C) an=-3+(n-1)<BR>\n" );
document.write( "D) an=-3+4(n+1)\r<BR>\n" );
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document.write( "The \"n\" of \"an\" is meant to be in subscript but nothing else is. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #732459 by </B><A HREF=/tutors/aboutme.mpl?userid=solver91311><B>solver91311(24713)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=solver91311><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/cgi-bin/show-face.mpl?user=solver91311><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=732459\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font face=\"Times New Roman\" size=\"+2\">\r<BR>\n" );
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document.write( "A plain text indicator for a subscript is an underscore character. a_n means <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large a_n\">.  In the event you have more than one character in your subscript, enclose the subscript characters in curly braces. a_{15} means <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large a_{15}\">\r<BR>\n" );
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document.write( "Your question has two possible answers depending on the lower index. That is, is your sequence <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large \{a_n\}_0^\infty\"> or <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large \{a_n\}_1^\infty\">?\r<BR>\n" );
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document.write( "In the first case, answer B would give <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large -3\ +\ 4(0)\ =\ -3\">, then <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large -3\ +\ 4(1)\ =\ 1\">, and so on.\r<BR>\n" );
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document.write( "In the second case, answer A would give <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large -3\ +\ 4(1\,-\,1)\ =\ -3\">, then <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large -3\ +\ 4(2\,-\,1)\ =\ 1\">, and so on.\r<BR>\n" );
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document.write( "Not all sequences start at 1.\r<BR>\n" );
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document.write( "John<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE e^{i\pi}\ +\ 1\ =\ 0\"><BR>\n" );
document.write( "My calculator said it, I believe it, that settles it<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large \ \\r\"> </SPAN>\n" );
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