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3Tvwo Test yourself, p.262/263 T1-T4
Today, 'Test yourself', p.262/263 is the Homework.
However....
+ Only the first half, T1 - T4, has to be done.
+ First we look at T2, that has something new.
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Slide 1:
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Wiskunde
Middelbare school
vwo
Leerjaar 3
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11 slides
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Lesson duration is:
50 min
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Items in this lesson
Today, 'Test yourself', p.262/263 is the Homework.
However....
+ Only the first half, T1 - T4, has to be done.
+ First we look at T2, that has something new.
Slide 1 - Slide
Let's read T2 together, first:
Slide 2 - Slide
Suppose the formula did not have the
' +4500 ' part! Question:
How would you calculate b) then?
Slide 3 - Slide
Answer:
1. Take n = 20 and n = 50 and
2. take the mean:
(20 + 50) : 2 = 35
3. fill this in, in the formula and
4. now you now the maximum profit!
Slide 4 - Slide
Question 2:
What difference does it make, for calculating the maximum profit, having ' + 4500 ' in the formula, or not?
Slide 5 - Slide
Answer 2:
For the way to calculate the maximum profit,
it makes NO DIFFERENCE at all!
The graph with ' +4500 ' added is just 4500 higher than the other one. The n of the vertex stays the same!
Slide 6 - Slide
Question 3: Think of a way to solve
question c:
Slide 7 - Slide
Answer part 1:
We need to know for which values of n is P(n) positive.
Some clues:
+ The formula corresponds to a downward opening parabola.
+ Find the p.o.i. with the P axis.
+ So between n=.. and n=.. there is a profit made!
Slide 8 - Slide
Answer, part 2:
We just have a quick look at the Solution, to have an idea how to tackle this one!
Slide 9 - Slide
Difference:
Study squarers do T2c, but
Classroomers do not have to do this one.
Slide 10 - Slide
Homework time.
+ Homework = T1,2,3 and 4 on p.262.
+ Good luck, and
+ do not forget to check with the Solutionsbook!
Slide 11 - Slide
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