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Students in a fifth grade class were given an exam During the next 2 years...

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Algebra

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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 95 10 log t 1 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 12 months c After how many months does the average score drop below 83 months

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