a.
what happens to school’s attendance after flu outbreak.
a.
Answer to Problem 34E
Attendance went down at first and then slowly it started increasing again.
Explanation of Solution
From the given graph it can be observed that the during the first four weeks after flu outbreak, attendance went down from 450 to 350 and after that from 5th week onwards it again started increasing and by 16th week it again reached 450 level.
b.
To estimate:
b.
Answer to Problem 34E
Approximately 425
Explanation of Solution
By looking at the given graph, it can be observed that when
This implies that, the number of students that attended high school 13 weeks after the flu outbreak is approximately 425.
c.
To estimate: solutions of the equation
c.
Answer to Problem 34E
Attendance went down at first and then slowly it started increasing again.
Explanation of Solution
Observe the given graph,
By looking at the above graph it can be said that the values of x corresponding to
This means that the number of students that attended the high school is 400 during the 1st week and the 10th week.
d.
To find: the least attendance and the week during which that happens.
d.
Answer to Problem 34E
Least attendance = 350
Week = 4th
Explanation of Solution
Observe the given graph,
By looking at the above graph it can be said that the least attendance is 350 and it happens during the 4th week.
e.
To find: the number of students enrolled in high school.
e.
Answer to Problem 34E
450
Explanation of Solution
Assume that there was perfect attendance during the week before the flu outbreak.
Then, the value of A corresponding to
Observing the given graph, it can be said that the number of students in high school enrolled is 450
Chapter 3 Solutions
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