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Mathematics 12 Online
OpenStudy (anonymous):

In 1980, median family income was about $19,000 and in 2000 it was about $40,000. a) Find the slope of the line passing through the points (1980,19000) and (2000, 40000). b) Interpret the slope as a rate of change. c) If this trend continues, estimate the median family income in 2006

OpenStudy (aripotta):

do you know the equation to find a slope?

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