document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=179332>Question 179332</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Dental services. The national cost C in billions of dollars for dental services can be modeled by the linear equation C = 2.85n + 30.52, where n is the number of years since 1990 <BR>\n" );
document.write( "a) Find and interpret the C-intercept for the line.<BR>\n" );
document.write( "b) Find and interpret the n-intercept for the line.<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #134314 by </B><A HREF=/tutors/aboutme.mpl?userid=Mathtut><B>Mathtut(3670)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Mathtut><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=134314\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Dental services. The national cost C in billions of dollars for dental services can be modeled by the linear equation C = 2.85n + 30.52, where n is the number of years since 1990 <BR>\n" );
document.write( "a) Find and interpret the C-intercept for the line.<BR>\n" );
document.write( "b) Find and interpret the n-intercept for the line.\r<BR>\n" );
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document.write( "a)the C-intercept is 30.52 and is the national cost in billions for the year 1990<BR>\n" );
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document.write( "b)set C=0 and solve for n for the n intercept 0=2.85n+30.52-->2.85n=-30.52<BR>\n" );
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document.write( "n=-10.71 so (-10.71,0) is the coordinates of the n intercept.<BR>\n" );
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document.write( "the interpretation of this is that the cost was 0 in the year 1979..<BR>\n" );
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document.write( "1990-10.71=1979 <BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28500%2C500%2C-40%2C40%2C-40%2C40%2C2.85x+%2B+30.52%29 ALIGN=MIDDLE  ALT=\"graph%28500%2C500%2C-40%2C40%2C-40%2C40%2C2.85x+%2B+30.52%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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