SOLUTION: The following formula models the number of prison inmates, P, in thousands, who are in U.S. prisons x years after 1980. P = 2 x^2+20 x+308 Find the first year in which the po

Algebra ->  Customizable Word Problem Solvers  -> Misc -> SOLUTION: The following formula models the number of prison inmates, P, in thousands, who are in U.S. prisons x years after 1980. P = 2 x^2+20 x+308 Find the first year in which the po      Log On

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Question 816336: The following formula models the number of prison inmates, P, in thousands, who are in U.S. prisons x years after 1980.
P = 2 x^2+20 x+308
Find the first year in which the population of U.S. prisons was approximately 1508 thousand people.
Answer: The population reached 1508 thousand people in the year

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
x = 20
2000 year