P = 2 x^2+22 x+330 Find the first year in which the population of U.S. prisons was approximately 1570 thousand people.

Question

The following formula models the number of prison inmates,  in thousands, who are in U.S. prisons  years after 1980.
 

Answer 1

???????????? 2x^2+22x+330=1,570,000 ??????????

or x^2 +11x+165=785,000

become x^2+11x-784,835=0

quadratik equashun giv roots=880.426210246 or -91.426210246

ges that meen 880 yeers

b^2-4ac=3139461, sqrt=1771.852420491, sqrt/2a=885.9262