document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=121285>Question 121285</A>: <I><SPAN STYLE=\"word-break: break-all;\"> from a homework handout it reads, for each natural numbers,n, let P(n)=the number of prime numbers less than n. P(1)=0,P(2)=0,P(3)=1,P(4)=2,P(5)=2,P(6)=3. I have the domain as 1,2,3,4,5,6 and the range as 0,0,1,2,2,3 but  what is P(20)? i can't get the answer.i think it is 8 but i think i'm wrong </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #88996 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=88996\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The first 8 primes are 2, 3, 5, 7, 11, 13, 17, and 19, all less than 20.  Yes, your answer is correct. </SPAN>\n" );
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