Question: HIMIII' II V | I Question 15 (1 point) After working through an area of study, students sat for a final exam. Over the following

 HIMIII' II V | I Question 15 (1 point) After working

HIMIII' II V | I Question 15 (1 point) After working through an area of study, students sat for a final exam. Over the following two years, the same students were retested. The average score, S, was found to be modelled by the function S 2 90 2010g(t l 1) where t is in months. To the nearest tenth, how many months should pass before the test is given again, if the average score is to be 80

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