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Students in a fifth-grade class were given an exam. During the next 2 years, the same students were retested several times. The average score was given by the model f(t) = 90 15 log(t + 1), 0

Students in a fifth-grade class were given an exam. During the next 2 years, the same students were retested several times. The average score was given by the model f(t) = 90 15 log(t + 1), 0

Algebra and Trigonometry (6th Edition)
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Students in a fifth-grade class were given an exam. During the next 2 years, the same students were retested several times. The average score was given by the model f(t) = 90 15 log(t + 1), 0<t< 24 where t is the time in months. Round answers to at least 1 decimal point. (a) What is the average score on the original exam? (b) What was the average score after 6 months? (c) What was the average score after 18 months?
Transcribed Image Text:Students in a fifth-grade class were given an exam. During the next 2 years, the same students were retested several times. The average score was given by the model f(t) = 90 15 log(t + 1), 0<t< 24 where t is the time in months. Round answers to at least 1 decimal point. (a) What is the average score on the original exam? (b) What was the average score after 6 months? (c) What was the average score after 18 months?
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