Banks The number of banks in the United States for the years 1935 through 2009 is given by...

Banks The number of banks in the United States for the years 1935 through 2009 is given by

where x is the number of years after 1900.

a. What does this model give as the number of banks in 1970? 1990? 2010?

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b. Graph the function for 50 ≤ x ≤ 112.