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OpenStudy (anonymous):
The function D(x) models the cumulative number of deaths from a disease x years after 1984 estimate the year when there were 91,000 deaths D(x)=3260x^2+5447x+5618 round to th nearest year
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OpenStudy (saifoo.khan):
\[ 91,000=3260x^2+5447x+5618\]
OpenStudy (saifoo.khan):
Can u solve it from here?
OpenStudy (anonymous):
no
OpenStudy (saifoo.khan):
3260x2+5447x+5618-91000=0
OpenStudy (anonymous):
1988 is the answer
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