document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1191135>Question 1191135</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1. Below two situations are described in words. In each case, decide whether the situation could be represented by a one-to-one function. If so, then write a statement that best describes the inverse function. If not, explain why.<BR>\n" );
document.write( "a) The function that pairs the number of days since your birth with your age in years.<BR>\n" );
document.write( "b) The function that pairs the speed of your car in miles per hour with the speed in kilometers per hour.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #849180 by </B><A HREF=/tutors/aboutme.mpl?userid=CPhill><B>CPhill(1987)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=CPhill><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=CPhill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=849180\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> **a) Number of days since your birth paired with your age in years:**\r<BR>\n" );
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document.write( "This situation *can* be represented by a one-to-one function.  Each number of days since your birth corresponds to exactly one age in years, and each age in years (within the range of a human lifespan) corresponds to exactly one number of days since your birth.\r<BR>\n" );
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document.write( "* **Inverse Function Description:** The inverse function would pair your age in years with the number of days since your birth.\r<BR>\n" );
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document.write( "**b) Speed of your car in miles per hour paired with the speed in kilometers per hour:**\r<BR>\n" );
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document.write( "This situation *can* be represented by a one-to-one function.  There's a direct conversion between miles per hour and kilometers per hour (approximately 1 mile per hour = 1.609 kilometers per hour).  Every speed in miles per hour corresponds to one and only one speed in kilometers per hour, and vice-versa.\r<BR>\n" );
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document.write( "* **Inverse Function Description:** The inverse function would pair the speed of your car in kilometers per hour with the speed in miles per hour.<BR>\n" );
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