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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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Chapter 7 Solutions
Thinking Mathematically (6th Edition)
- Please Help me answer this linear algebra question. This is a practice textbook question.arrow_forward1. a scientist observed a bacterium in a microscope. it measured about .0000029 meter in diameter which of the following is closest to it? A- 2 x 10^-6, B- 2 x 10^-5, C- 3 x 10^-5, or D- 3 x 10^-6 2.express the product of 500 and 400 in scientific notation. is it 2 x 10^5 or 2 x 10^4 or 2 x 10^3 or 20 x 10^4arrow_forwardExample 4 (Part 1) One of the datasets in the Lock book contains information about 215 countries of the world. One of the variables is the percentage of people in the country who have access to the internet. We have data for 203 of those countries. The plot on the right shows a dotplot of the data. 1. What are the cases? Population n = 203, mean = 43.024 median = 43.5, stdev = 29.259 20 2. What does each dot on the dotplot represent? 15 10 5 20 40 43.024 60 80 3. What type of data is do we collect from the cases, quantitative or categorical?arrow_forward
- No chatgpt pls will upvotearrow_forwardi dont know the anserarrow_forwardLet x be a random variable that represents the percentage of successful free throws a professional basketball player makes in a season. Let y be a random variable that represents the percentage of successful field goals a professional basketball player makes in a season. A random sample of n =6 professional basketball players gave the following information. x 63 79 70 80 84 87 y 46 49 45 55 57 58 Find Se. Round your answer to three decimal places.arrow_forward
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