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Sagot :
Using function concepts, we have that:
The actual percentage of smokers in 2010 was of 23%, while the estimated was of 13%, thus, the model underestimated the percentage by 10%.
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The function is:
[tex]p + \frac{x}{2} = 33[/tex]
In which
- p is the percentage of smokers.
- x is the number of years after 1970.
The percentage can be written as a function of the number of years, that is:
[tex]p(x) = 33 - \frac{x}{2}[/tex]
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2010 is 2010 - 1970 = 40 years after 1970, thus, the estimate of the percentage in 2010 is:
[tex]p(40) = 33 - \frac{40}{2} = 33 - 20 = 13[/tex]
The actual percentage of smokers in 2010 was of 23%, while the estimated was of 13%, thus, the model underestimated the percentage by 10%.
A similar problem is given at https://brainly.com/question/24481455
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