If 18: x = x: 8, find x.
2 answers:
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Answer:
4.8% of of obese children aged 12-19 at the beginning of 1975.
9.15% of obese children aged 12-19 at the beggining of 1986
13.94% of obese children aged 12-19 at the beggining of 1995
Step-by-step explanation:
The percentage of obese children aged 12-19 years in the United States is given by the following piecewise function:
In which t is measured in years.
What was the percentage of obese children aged 12-19 at the beginning of 1975?
This is the value of P when t = 5, so .
For P(5), we apply the first definition of the piecewise function.
At the beginning of 1986?
The value of P when t = 16, so .
For P(16), we apply the second definition of the piecewise function.
At the beginning of 1995?
The value of P when t = 25, so .]
For P(25), we apply the second definition of the piecewise function.