?A substantial percentage of the United States population is foreign-born. The bar graph
Chapter 1, Problem 39(choose chapter or problem)
A substantial percentage of the United States population is foreign-born. The bar graph shows the percentage of foreign-born Americans for selected years from \(1920\) through \(2008\).
The percentage, \(p\), of the United States population that was foreign-born \(x\) years after \(1920\) can be modeled by the formula
\(p=0.004 x^{2}-0.37 x+14.1\).
According to this model, in which year will \(25 \%\) of the United States population be foreign-born? Round to the nearest year.
Equation Transcription:
Text Transcription:
1920
2008
p
x
p=0.004x^2-0.37x +14.1
25%
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