Concept explainers
(a)
To Estimate:Initial number of students.
(a)
Answer to Problem 52E
Initial number of students are 1.
Explanation of Solution
Given information: Given function
Calculation:
Thus, the initial number of students is 18.
(b)
To Estimate: The spreading of flu after 4 days.
(b)
Answer to Problem 52E
Flu is spreading to 39 students per day.
Explanation of Solution
Given information: Given function
Calculation:
Hence, the rumour is spread to 52 students per day.
(c)
To maximise: The given function.
(c)
Answer to Problem 52E
The maximum rate is 50 students per day
Explanation of Solution
Given information: Given function
Graph:
Interpretation:
By analysing the above graph the maximum rate occurs at about 5 days, and the rate is 50students per day which is calculated below:
Chapter 4 Solutions
Calculus 2012 Student Edition (by Finney/Demana/Waits/Kennedy)
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