document.write( "Question 110751: Please help.\r \n" );
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document.write( "Business and finance. The cost of producing a number of items x is given by \n" );
document.write( "C = mx + b in which b is the fixed cost and m is the variable cost (the cost of \n" );
document.write( "producing one more item).\r \n" );
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document.write( "a). If the fixed cost is $40 and the variable \n" );
document.write( " cost is $10, write the cost equation.\r \n" );
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document.write( "(b). Graph the cost equation\r \n" );
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document.write( "Thanks \n" );
document.write( "JMS \n" );
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