Forgetting. Students in a computer science class took a final exam and then took
Chapter 5, Problem 96(choose chapter or problem)
Forgetting. Students in a computer science class took a final exam and then took equivalent forms of the exam at monthly intervals thereafter. The average score S1t2, as a percent, after t months was found to be given by the function S1t2 = 78 - 15 log 1t + 12, t 0. a) What was the average score when the students initially took the test, t = 0? b) What was the average score after 4 months? after 24 months? c) Graph the function. d) After what time t was the average score 50%?
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