The mathematical model y 0.2x 5 describes the percentage
Chapter 4, Problem 4.1.499(choose chapter or problem)
The mathematical model y 0.2x 5 describes the percentage of U.S. adults living alone, y, x years after 1960. Use the formula to project in which year 19% of U.S. adults will be living alone. Based on your work in Exercise 19, what do you observe?
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