Learning Thoery Students in a mathmatics class were given an exam and than retested monthly with equivalent exams.The average score S (on a 100-point scale) for the class can be modeled by S = 80 - 14 In(t + 1),0 ≤ t ≤ 12, where t is the time in months.
(a) What was the average score on the orignal exam?
(b) What was the average score after 4 month?
(c) After how many months was the average score 46?