SOLUTION: The U.S. trade deficit in billions of dollars for the years 1997,1998,1999 can be computed by f(x)=16x^2-63,861x+63,722,378 Where X is the year. In which year was the trade defi

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Question 692037: The U.S. trade deficit in billions of dollars for the years 1997,1998,1999 can be computed by
f(x)=16x^2-63,861x+63,722,378
Where X is the year. In which year was the trade deficit 164 billion?

Answer by josmiceli(19441)   (Show Source): You can put this solution on YOUR website!

given:

use quadratic formula



My calculator can't handle these numbers. If you have a scientific
calculator, you should be able to solve for

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