The function P(x) 95 30 log2 x models the percentage,
Chapter 12, Problem 12.1.482(choose chapter or problem)
The function P(x) 95 30 log2 x models the percentage, P(x), of students who could recall the important features of a classroom lecture as a function of time, where x represents the number of days that have elapsed since the lecture was given. The figure shows the graph of the function. Use this information to solve Exercises 113114. Round answers to one decimal place. After how many days have all students forgotten the important features of the classroom lecture? (Let P(x) 0 and solve for x.) Locate the point on the graph that conveys this information.
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