10:13 ll5GE A ohm.lumenlearning.com Quiz 13b Messages Redeem LatePass Due Wed 04/22/2020 11:59 pm Questions > Q 1 (0/2) Q 2 (0/2) ► Q 3 (0/2) • Q 5 (0/2) Q 4 (0/2) Grade: 0/10 Print Version 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) = 91 – 15 log(t + 1), 0 0

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ChapterP: Prerequisites: Fundamental Concepts Of Algebra
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ll5GE
A ohm.lumenlearning.com
Quiz 13b
Messages Redeem LatePass
Due Wed 04/22/2020 11:59 pm
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> Q 1 (0/2) Q 2 (0/2) ► Q 3 (0/2)
• Q 5 (0/2)
Q 4 (0/2)
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Print Version
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) = 91 – 15 log(t + 1), 0
0<t < 24
where t is the time in months. Round
answers to 1 decimal place.
(a) What is the average score on the
original exam?
(b) What was the average score after 9
months?
(c) After how many months does the
average score drop below 80?
months
Points possible: 2
This is attempt 1 of 4.
Message instructor about this question
License
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Transcribed Image Text:10:13 ll5GE A ohm.lumenlearning.com Quiz 13b Messages Redeem LatePass Due Wed 04/22/2020 11:59 pm Questions > Q 1 (0/2) Q 2 (0/2) ► Q 3 (0/2) • Q 5 (0/2) Q 4 (0/2) Grade: 0/10 Print Version 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) = 91 – 15 log(t + 1), 0 0<t < 24 where t is the time in months. Round answers to 1 decimal place. (a) What is the average score on the original exam? (b) What was the average score after 9 months? (c) After how many months does the average score drop below 80? months Points possible: 2 This is attempt 1 of 4. Message instructor about this question License Submit
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