document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=55071>Question 55071</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Here is my question: The cost of producing a number of items x is given by<BR>\n" );
document.write( "C = mx + b, in which b is the fixed cost and m is the variable cost (the cost of producing one more item).<BR>\n" );
document.write( "(a) If the fixed cost is $40 and the variable cost is $10, write the cost equation.<BR>\n" );
document.write( "(b) Graph the cost equation. <BR>\n" );
document.write( "I am at a loss when it comes to figuring out word problems, so please help me with this problem.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #37304 by </B><A HREF=/tutors/aboutme.mpl?userid=funmath><B>funmath(2933)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=funmath><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=37304\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The cost of producing a number of items x is given by<BR>\n" );
document.write( "C = mx + b, in which b is the fixed cost and m is the variable cost (the cost of producing one more item).<BR>\n" );
document.write( "(a) If the fixed cost is $40 and the variable cost is $10, write the cost equation.<BR>\n" );
document.write( "(b) Graph the cost equation.<BR>\n" );
document.write( "(a)The formula is: C=mx+b, m=10 and b=40<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28C=10x%2B40%29 ALIGN=MIDDLE  ALT=\"highlight%28C=10x%2B40%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(b) Plot the y=intercept (0,b)=(0,40)<BR>\n" );
document.write( "Use the slope=10/1=rise/run.  From (0,40) go up 10 and right 1 and plot another point at (1,50) connect the dots and you have a graph that looks like:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28300%2C200%2C-2%2C60%2C40%2C60%2C10x%2B40%29 ALIGN=MIDDLE  ALT=\"graph%28300%2C200%2C-2%2C60%2C40%2C60%2C10x%2B40%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Happy Calculating!!! </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );