The percentage of adult height attained by a boy who is x years old can be modeled by f(x) = 29 + 48.8 log(x + 1), where x represents the boy’s age (from 5 to 15) and f(x) represents the percentage of his adult height. Approximately what percentage of his adult height has a boy attained at age ten?

Intermediate Algebra
19th Edition
ISBN:9780998625720
Author:Lynn Marecek
Publisher:Lynn Marecek
Chapter10: Exponential And Logarithmic Functions
Section10.5: Solve Exponential And Logarithmic Equations
Problem 10.85TI: Hector invests $10,000 at age 21. He hopes the investments will be worth when he turns 50. If the...
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The percentage of adult height attained by a boy who is x years old can be modeled by f(x) = 29 + 48.8 log(x + 1), where x represents the boy’s age (from 5 to 15) and f(x) represents the percentage of his adult height. Approximately what percentage of his adult height has a boy attained at age ten?

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