This question was probably confusing because of the language.
It was simply a matter of substituting the value $x=2010$ into the equation
so, $f(2010) = 0.0167*2010^2-65.37x+64440$
$ = 515.97 ~ 516$ ppm
High School Mathematics Questions and Answers. Feel free to use the Search bar for this site, just below. The list of Labels in the right hand column below is also useful. Most of the questions on this site are from NSW, Australia curriculum.
Friday, 10 January 2003
Applied question - Quadratic model of Concentration of Atmospheric $CO_2$
This question was probably confusing because of the language.
It was simply a matter of substituting the value $x=2010$ into the equation
so, $f(2010) = 0.0167*2010^2-65.37x+64440$
$ = 515.97 ~ 516$ ppm
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