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DSC1520 ASSESSMENT 3 SEMESTER 1 2024 Quantitative Modelling I - DS1520
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DSC1520 ASSESSMENT 3 SEMESTER 1 2024 Quantitative Modelling I - DS1520
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2/27/24, 8:26 PM Assessment 3DSC1520-24-S1 Welcome Message Assessment 3
QUIZ
Question 1
Not yet answered
Marked out of 7.00
Suppose the total cost (in rand) of manufacturing grass brooms is
2
T C = 10u − 4u + 14
where u is the number of grass brooms manufactured. What is the marginal cost if 100 brooms are manufactured?
a. 1 996
b. 5
c. 99 614
d. 996
Clear my choice
Question 2
Not yet answered
Marked out of 7.00
The demand function of a firm is
Q = 150 − 0, 5P ,
where Q and P represent the quantity and price respectively. At what value of P is the marginal revenue equal to zero?
a. 150
b. 75
c. 0
d. 113
Clear my choice
https://mymodules.dtls.unisa.ac.za/mod/quiz/attempt.php?attempt=15004080&cmid=842664 1/7
, 2/27/24, 8:26 PM Assessment 3
Question 3
Not yet answered
Marked out of 7.00
What is the marginal cost when Q = 8 if the total cost function is given by
1
3 2
TC = Q − 30Q + 2 800Q + 2 800?
3
a. 2 384
b. 2 444
c. 3 084
d. 21 461
Clear my choice
Question 4
Not yet answered
Marked out of 6.00
What is the value of the maximum revenue if total revenue is given by
1
2
R(x) = − x + 30x + 100
5
where x is the quantity?
a. 1 225
b. 1 125
c. 75
d. 100
Clear my choice
https://mymodules.dtls.unisa.ac.za/mod/quiz/attempt.php?attempt=15004080&cmid=842664 2/7
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