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Summary TUTORIAL 9 QUESTION PAPER
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  • Module
  • STK120/121 (STK120)
  • Institution
  • University Of Pretoria (UP)
  • Book
  • Modern Business Statistics with Microsoft (R) Office Excel (R) (with XLSTAT Education Edition Printed Access Card)

Master STK120 with Confidence! Stressed about acing your STK120 exams and tests? We've got the ultimate study pack to boost your understanding and exam performance. Our comprehensive collection of past STK120 tutorial papers and detailed memos provides valuable insights into exam format, key c...

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  • Yes
  • June 25, 2024
  • 2
  • 2023/2024
  • Summary

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  • statistics

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  • STK120/121 (STK120)
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STK120 -162 TUT 9 Preparation


Question 1

a. 5 𝑑𝑥

b. 2𝑥 𝑑𝑥

c. 2 5√𝑥 𝑑𝑥
√



d. √3𝑥 1 5 𝑑𝑥

e. 𝑑𝑝

f. 𝑑𝑥

g. 𝑥 2 𝑥 8𝑥 𝑑𝑥


h. 𝑥𝑒 𝑑𝑥

Question 2
The marginal revenue (in Rand) of a coffee shop when x units of a product are sold is given by:
60𝑥
𝑅 𝑥
𝑥 1
The total income function, 𝑅 𝑥 is:


Question 3
The marginal cost (in R100) of a product at a coffee shop is:

𝐶 𝑥 0.06𝑥 5
where x is the number of items produced.
The value of c in 𝐶 𝑥 𝐶 𝑥 𝑑𝑥 𝑐, if the cost to produce 10 items is R6500, is:


Question 4
The marginal cost function (in Rand) of the second hand dealer’s car wash section is:
𝐶 𝑥 100𝑥𝑒
If it is known that the overhead costs of the car wash section is R4500, the value of 𝑐 in
𝐶 𝑥 𝐶 𝑥 𝑑𝑥 𝑐 is:

Question 5
𝑥
𝑑𝑥
2𝑥 6

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