Concept explainers
The percentage of adult height attained by a girl who is x years old can be modeled by
where x represents the girl's age (from 5 to 15) and f(x) represents the percentage of her adult height. Use the function to solve Exercises 37-38.
a. According to the model, what percentage of her adult height has a girl attained at age 13? Use a calculator with a
b. Why was a logarithmic function used to model the percentage of adult height attained by a girl from ages 5 to 15, inclusive?
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EBK THINKING MATHEMATICALLY
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