The table gives the percent of the population of a certain city that was foreign born in the given year. Find a cubic function that best fits the data where x is the number of years after 1900 and y is equal to the percent. By trial and error, estimate the year the model predicts that the foreign-born population will be 100%. Round numerical values in your answer to three decimal places.
?
Year
Percent Foreign Born
1900
10.94
1910
16.64
1920
8.05
1930
7.30
1940
9.24
1950
15.77
?
A. 
foreign born population will be 100% in 1965.
B.
foreign born population will be 100% in 1975.
C.
foreign born population will be 100% in 1975.
D.
foreign born population will be 100% in 1965.
E.
foreign born population will be 100% in 1985.
Answer: C
Mathematics
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