document.write( "Question 74028: Please tell me how I could accurately make use of a number line to graphically represent the inward and outward movement of a penis out of a vagina during sex. This is required for a Biology project. \n" ); document.write( "
Algebra.Com's Answer #53035 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
You need a two-dimensional graph. The number line could only
\n" ); document.write( "show you a range of values, which may be all you want. You
\n" ); document.write( "could then graph the length between a(minimum) and b(maximum)
\n" ); document.write( "but not the movement. The movement in time could be shown with
\n" ); document.write( "a horazontal time axis and length vertical axis. It would be
\n" ); document.write( "like a sine curve over a fixed length of time.
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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