document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=630458>Question 630458</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me with this problem, using the piecewise function:<BR>\n" );
document.write( " f(x)= $5o  if o< x < 60<BR>\n" );
document.write( "         4/3x - 30  if x > 60 <BR>\n" );
document.write( "this function describes the rate of a computer repairman.<BR>\n" );
document.write( "The question is what is the cost if the repairman works for 45 minutes?<BR>\n" );
document.write( "Thanks. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #396922 by </B><A HREF=/tutors/aboutme.mpl?userid=rapaljer><B>rapaljer(4671)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rapaljer><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=rapaljer><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=396922\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Since 45 minutes is BETWEEN 0 and 60 minutes, you use the first half of the formula, which is a flatrate $50.  However, if the computer repairman runs OVER 60 minutes, then you use the rate of 4/3 x - 30.  In other words, if it takes more than 60 minutes, they charge EXTRA, depending upon how long it takes.  For example, if it takes 66 minutes, then you calculate 4/3*66-30, which is $58.\r<BR>\n" );
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document.write( "Dr. Robert J. Rapalje, Retired<BR>\n" );
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