document.write( "Question 44869: In planning for a new item, a manufacturer assumes that the number of items produced x and the cost in dollars C of producing these items are related by a linear equation. Projections are that 100 items will cost $10,000 to produce and that 300 items will cost $22,000 to produce. Find the equation that
\n" ); document.write( "relates C and x.
\n" ); document.write( "

Algebra.Com's Answer #29735 by Nate(3500)\"\" \"About 
You can put this solution on YOUR website!
x-values are the amount of items
\n" ); document.write( "y-values are the cost
\n" ); document.write( "(100,10000) and (300,22000)
\n" ); document.write( "M = (y2 - y1)/(x2 - x1) = (22000 - 10000)/(300 - 100) = 12000/200 = 60
\n" ); document.write( "Point-Slope Form
\n" ); document.write( "\"y+-+y1+=+m%28x+-+x1%29\"
\n" ); document.write( "\"y+-+10000+=+60%28x+-+100%29\"
\n" ); document.write( "\"y+-+10000+=+60x+-+6000\"
\n" ); document.write( "\"y+=+60x+%2B+4000\"
\n" ); document.write( "\"+graph%28+600%2C+600%2C+-50%2C+300%2C+-500%2C+22000%2C+60x+%2B+4000%29+\"
\n" ); document.write( "
\n" );