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What is the average score on the original exam

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Reference no: EM131720828

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)=81-12log(t+1),0<t<24

where tis the time in months round answer to 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?_______________

Reference no: EM131720828

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