Jamal M.

asked • 04/18/13

In 1980, median family income was about $19,000, and in 2000 it was about $41,000.

(a*) Find the slope of the line passing through the points (1980,19000 and (2000,41000). M=?

(b*) Interpret as a rate of change. Choose the correct answer below.



(a) The median family increases by $1100 between 1980 and 2000.

(b) The median family income is decreasing at the rate of $1100 per year.




(c) The median family income is increasing at the rate of $1100 per year.

(d)  The median family decreases by $1100 between 1980 and 2000.




(c*) If this trend continues, estimate the median family income in 2002 will be what in dollars?






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