document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=235804>Question 235804</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Are the following linear or non linear functions?\r<BR>\n" );
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document.write( "a. The time it takes you to get to work as a function the speed at which you drive\r<BR>\n" );
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document.write( "b. The probability of getting into a car accident as a function of the speed at which you drive\r<BR>\n" );
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document.write( "c. A person's height as a function of the person's age (from age 0 to 100)\r<BR>\n" );
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document.write( "I believe \"A\" is linear because the faster you go, the sooner your get to work and vice versa.\r<BR>\n" );
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document.write( "I believe \"B is non linear beause there are many unknown elements which can determine if a person gets into an acccident besides the speed in which they travel. \r<BR>\n" );
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document.write( "I believe \"C\" is non linear because at a certain point we stop growing.  Additionally, as we get older we may even actually get shorter. \r<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 #173714 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=173714\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> B and C are definitely non-linear.<BR>\n" );
document.write( "A can be linear.<BR>\n" );
document.write( "d = rt<BR>\n" );
document.write( "The distance is directly related to the speed and to the time.<BR>\n" );
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document.write( "In t = d/r, t is inversely related to r (rate or speed).  If it's graphed with axes of r and t, it's a hyperbola, not a straight line --> not linear.<BR>\n" );
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document.write( "If the speed is constant, then the relation between time and distance is linear.<BR>\n" );
document.write( "It's tricky. </SPAN>\n" );
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