The table below shows the national expenditures for health care in a certain country for selected years. Find a power model and a linear model for the data where x is the number of years after 1950. Which of the models seems to be the best to use if you are interested in finding the health care costs near the year 1990? Round numerical values in your answers to three decimal places.
?
Year
National Expenditures
for Health Care
(in billions)
1960$20.3
1970$71.0
1980$249.3
1990$693.3
2000$1,423.1
A. 
The power model gives more accurate results near the year 1990.
B.
The linear model gives more accurate results near the year 1990.
C.
The power model gives more accurate results near the year 1990.
D.
The linear model gives more accurate results near the year 1990.
E.
The power model gives more accurate results near the year 1990.
Answer: A
Mathematics
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