document.write( "Question 629093: in 1980 median family income was about $18,000 and in 2000 it was about $40,000.
\n" ); document.write( "find the slop of the line passing through the points (1980,18000) and (2000, 40000). Interpret the slop as a rate of change. Estimate the median family income in 2003.
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Algebra.Com's Answer #422682 by keishaherrin2012(1)\"\" \"About 
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