Mathematics, 23.02.2021 01:00 marelinatalia2000
A charity sends an appeal letter to 6000 people, asking for a donation of money.
Here is some information about the last appeal letter the charity sent out.
Ź of the people who were sent the letter made a donation.
The average donation was £8.70
Ź of the people who made a donation filled in a tax form.
The government adds 25% to the donations of these people.
a) Using this information, work out the amount the charity will receive from the appeal
(6
b) If the average donation from the people who fill in a tax form
is more than 68 70 how will it affect you
Answers: 2
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If p(x) is the total value of the production when there are x workers in a plant, then the average productivity of the workforce at the plant is a(x) = p(x) x . (a) find a'(x). a'(x) = xp'(x) − p(x) x a'(x) = xp'(x) − p(x) x2 a'(x) = p'(x) − p(x) x a'(x) = xp'(x) − p'(x) x2 a'(x) = p'(x) − xp(x) x2 why does the company want to hire more workers if a'(x) > 0? a'(x) > 0 ⇒ a(x) is ; that is, the average productivity as the size of the workforce increases. (b) if p'(x) is greater than the average productivity, which of the following must be true? p'(x) − xp(x) > 0 p'(x) − xp(x) < 0 xp'(x) − p'(x) > 0 xp'(x) − p(x) < 0 xp'(x) − p(x) > 0
Answers: 2
A charity sends an appeal letter to 6000 people, asking for a donation of money.
Here is some infor...
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