During the 1960s and 1970s, the amount of poverty in the United States increased decreased remained the same increased in the north but decreased in the south
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Year 1961 1971 1981 1991 2001 2011 Percentage 13.4% 14.5% 15% 23.2% 31.2% 35.3% Question 3: What is the change (difference) in the adult obesity rate in the U.S. from 1971 to 2011? Was it an increase or decrease?
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In 1970 , the U.S. combined SAT average was 940 and dropping by 10 points per year. What was the U.S. prison population, and how fast, and in what direction, was it changing? (Round your answers to the nearest 100.)
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The population of the United States since the year 1960 can be approximated by $f(t)=0.009 t^{2}+2.10 t+182$, where $f(t)$ is the population in millions and $t$ represents the number of years since 1960 . a. Find the average rate of change in U.S. population between 1960 and 1970 . Round to 1 decimal place. b. Find the average rate of change in U.S. population between 2000 and $2010 .$ Round to 1 decimal place. c. Based on the answers from parts (a) and (b), does it appear that the rate at which U.S. population increases is increasing or decreasing with time?
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