document.write( "Question 540480: two years after an expansion, a company had sales of $420,000. four years later, sales were $1,020,000. assuming that sales and time are related by a linear equation, determine the expected sales in another 6 years. \n" ); document.write( "

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two years after an expansion, a company had sales of $420,000. four years later, sales were $1,020,000. assuming that sales and time are related by a linear equation, determine the expected sales in another 6 years.
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\n" ); document.write( "You have 2 points (0,420,000) and (4,1020000)
\n" ); document.write( "slope = (1020000-420000)/4 = 150,000
\n" ); document.write( "intercept: note that sales(0) = 420,000
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\n" ); document.write( "Equation:
\n" ); document.write( "sales = 150,000*(year) + 420,000
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\n" ); document.write( "Note: Another 6 years means 'the 10th year'.
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\n" ); document.write( "s(10) = 150,000*10+420,000
\n" ); document.write( "s(10) = 1,500,000 + 420,000 = 1,920,000
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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