document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1059585>Question 1059585</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Each month, Ashley pays $40 for her cell phone bill plus $0.05 for each text message that she sends. Determine whether the relation between the number of text messages she sends, x, and the amount of her cell phone bill,y, is a function. If it is a function, identify the domain and range. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #674629 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=674629\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> C=40+0.05*t, where t= number of text messages<BR>\n" );
document.write( "This is a function. There is no place where one gets 2 C values for the same t value.<BR>\n" );
document.write( "The domain are all non-negative text messages.  Zero is fine, but negative numbers are not allowed.[0,oo)\r<BR>\n" );
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document.write( "The range is all costs from $40 higher. [40,oo)\r<BR>\n" );
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