document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=146073>Question 146073</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The national cost C in billions of dollars for dental services can be modeled by C=2.85n +30.52\r<BR>\n" );
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document.write( "Find and interpret the c-intercept, find and interpret the n intercept graph the line for n ranging from 0-20 and if trend continues what year will the cost of dental services reach 100 billion? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #106664 by </B><A HREF=/tutors/aboutme.mpl?userid=nabla><B>nabla(475)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nabla><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=106664\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> First, write it as a proper function:<BR>\n" );
document.write( "C(n)=2.85n+30.52\r<BR>\n" );
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document.write( "Now, the c-intercept will be where n is 0. \r<BR>\n" );
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document.write( "C(0)=30.52. Its interpretation is that when there is a complete absence of \"n,\" the cost is 30.52.\r<BR>\n" );
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document.write( "Now, for the n-intercept, this is where C is 0.<BR>\n" );
document.write( "0=2.85n+30.52<BR>\n" );
document.write( "-30.52=2.85n<BR>\n" );
document.write( "-10.7087719=n. Its interpretation is that when the cost is 0, \"n\" must be -10.7087719.\r<BR>\n" );
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document.write( "Graph it from n existing within [0,20]:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28+300%2C+200%2C+-2%2C+20%2C+-25%2C+750%2C+2.85x%2B30.52+%29 ALIGN=MIDDLE  ALT=\"graph%28+300%2C+200%2C+-2%2C+20%2C+-25%2C+750%2C+2.85x%2B30.52+%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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