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) = 85 – 20 log(t +1), 0

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Students in a fifth-grade class were given an exam. During the next 2 years, the same students were<br>retested several times. The average score was given by the model<br>f(t) = 85 – 20 log(t +1), 0 <t < 24<br>where t is the time in months. Round answers to at least 1 decimal point.<br>(a) What is the average score on the original exam?<br>(b) What was the average score after 6 months?<br>(c) What was the average score after 18 months?<br>

Extracted 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) = 85 – 20 log(t +1), 0 < 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="">

Jun 10, 2022

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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) = 85 – 20 log(t +1), 0

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