The total area of the United State will be 3,537,438.
The process of combining two or more numbers is called the Addition.
Given that;
The total land area of the United States is about 3,483,511 square miles more than the total land area of Tennessee, which is about 53,927 square miles.
Now,
Let the total area of the United State = x
Hence, We can formulate;
⇒ x = 3,483,511 + 53,927
⇒ x = 3,537,438
Thus, The total area of the United State = 3,537,438.
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f(x) = 3x - 1; g(x) = x +4