SOLUTION: Please help with this log word problem?
The function P(x) = 90-25log base 2 raised to the x , models the percentage P(x) of students who would recall the important features of
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-> SOLUTION: Please help with this log word problem?
The function P(x) = 90-25log base 2 raised to the x , models the percentage P(x) of students who would recall the important features of
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Question 898386: Please help with this log word problem?
The function P(x) = 90-25log base 2 raised to the x , models the percentage P(x) of students who would recall the important features of a classroom lecture as a function of of time where x represents the number of days that have elapsed since the lecture was given. Let P(x) = 50 and solve for x.
After how many days do only half of the students recall the important features of the classroom lecture?
You can put this solution on YOUR website! The function P(x) = 90-25log base2(x) models the percentage P(x) of students who would recall the important features of a classroom lecture as a function of of time where x represents the number of days that have elapsed since the lecture was given. Let P(x) = 50 and solve for x.
After how many days do only half of the students recall the important features of the classroom lecture?
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P(x) = 90-25log2(x)
50 = 90-25log2(x)
-25log2(x) = -40
log2(x) = 8/5
x = 2^(8/5)
x = 3.03 days
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Cheers,
Stan H.
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