Posted by **Ruth** on Saturday, March 9, 2013 at 10:49am.

In 1980 median family income was about $18,000 and in 2000 it was 40,000.

(a) Find slope of line passing through points (1980, 18,000) and (2000, 40,000)

(b) Interperate slope as a rate of change

(c) If the trend continues, estimate the median family income in 2006.

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