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Mathematics 10 Online
OpenStudy (anonymous):

In 1980 median family income was about 16,000 and in 2000 it was 40,000 A. find the slope of the line passing through the points (1980, 16,000) and (2000, 40,000) B. Interpret the slope rate change C. if the trend continues estimate the median family income in 2005$ ???

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