The number of ATV-related deaths for people of all ages from 1999 to 2009 can be modeled by the function 3.607x2 – 16.607x + 254,000 if 9

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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The number of ATV-related deaths for people of all ages from 1999 to 2009
can be modeled by the function
3.607x2 – 16.607x + 254,000
if 9 <x < 15
f(x) = {_
-43.25x2 + 1361.65x 9881.75 if 15 < x < 19
where x is the number of years after 1990.
According to the model, how many deaths were there in 2009?
Transcribed Image Text:The number of ATV-related deaths for people of all ages from 1999 to 2009 can be modeled by the function 3.607x2 – 16.607x + 254,000 if 9 <x < 15 f(x) = {_ -43.25x2 + 1361.65x 9881.75 if 15 < x < 19 where x is the number of years after 1990. According to the model, how many deaths were there in 2009?
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