document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1050919>Question 1050919</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A physics student hangs a spring 2 meters above the floor, then attaches weights to it and measures the height of the weight from the floor. After careful experimentation the student determines a function that predicts the height of the weight about the floor, h in m, as a function of the mass attached, m in kg:\r<BR>\n" );
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document.write( "h=g(m)=2-1/5 m\r<BR>\n" );
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document.write( "a. The student only used masses between 0 kg and 1 kg. Over what domain and range can this function be trusted?\r<BR>\n" );
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document.write( "b. Determine the inverse function g^-1 (m)\r<BR>\n" );
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document.write( "c. State the domain and range of g^-1. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #666524 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52805)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=666524\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "Physicists believe that lengthening of a spring is linear function of the applied force (of the weight in this case) <BR>\n" );
document.write( "if the lengthening is up to 2% - 3% (maximum 5% ?) of the spring initial length. \r<BR>\n" );
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document.write( "Above that, the lengthening is not a linear function.\r<BR>\n" );
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document.write( "But in your problem the length of the spring is not given.\r<BR>\n" );
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document.write( "Therefore, I don't know how to give the answer.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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