document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=658723>Question 658723</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hello professor. I'm having trouble with linear function problems. <BR>\n" );
document.write( "Suppose the sales of a particular brand of appliance satisfy the linear model y=90x + 3400, where \"y\" represents the number of sales in year \"x\", with x= 0 corresponding to 1982. Find the number of sales in 1990. <BR>\n" );
document.write( "(A) 4120 (B) 8150 (C) 8240 (D) 4030<BR>\n" );
document.write( "Thank you!!! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #410436 by </B><A HREF=/tutors/aboutme.mpl?userid=Earlsdon><B>Earlsdon(6294)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Earlsdon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=410436\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The key here is to find the value of x.<BR>\n" );
document.write( "If x=0 corresponds to 1982, 1990 is 1982+8 so x = 8 for 1990. Substitute x=8 into the given equation.<BR>\n" );
document.write( "y = 90(8)+3400 Evaluate.<BR>\n" );
document.write( "y = 720+3400 Add.<BR>\n" );
document.write( "y = 4120 </SPAN>\n" );
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