Students in a fifth-grade class were given an exam. The same students were retested once a month for several months. The average score is given by the model f(t) = 60 + 18 log(t + 1) where t is the time in months. (a) What is the average score on the original exam at t = 0 months? (b) How many months until the average score is 74 ?

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter6: Exponential And Logarithmic Functions
Section6.8: Fitting Exponential Models To Data
Problem 60SE: Use the result from the previous exercise to graph the logistic model P(t)=201+4e0.5t along with its...
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Students in a fifth-grade class were given an exam. The same students were retested once a month for
several months. The average score is given by the model
f(t) = 60 + 18 log(t + 1)
where t is the time in months.
(a) What is the average score on the original exam att = 0 months?
(b) How many months until the average score is 74?
Transcribed Image Text:Students in a fifth-grade class were given an exam. The same students were retested once a month for several months. The average score is given by the model f(t) = 60 + 18 log(t + 1) where t is the time in months. (a) What is the average score on the original exam att = 0 months? (b) How many months until the average score is 74?
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