DSC1520 ASSESSMENT 3 SEM 1 OF 2026 EXPECTED QUESTIONS AND ANSWERS

DSC1520-26-S1  Welcome Message  Assessment 3

QUIZ




Question 1 If Q = 60 − 2.5P , find P where MR = 0.

Not yet
answered
a. 12
Marked out of
10.00 b. 24


c. 150


d. 0


e. None of the given options is correct.




Question 2 Find f
′
(x) for
Not yet
−−
2 3
answered f (x) = x + 4x + √x .

Marked out of
10.00 3
a. ′
f (x) = 2x + 4 +
1/2
x
2


′
b. f (x) = 2x + 4

3
c. ′
f (x) = x
2
+
1/2
x
2


1
d. ′
f (x) = 2x + x
1/2

2



e. None of the given options is correct.




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Assessment 2 Assessment 4

, DSC1520-26-S1  Welcome Message  Assessment 3

QUIZ




Question 5 Compute marginal revenue, M R(x) for x = 2 given the following total revenue function
Not yet T R = 2x
5 3
+ x − x + 5
answered

Marked out of
a. 171
10.00

b. 160


c. 180


d. 150


e. None of the given options is correct.




Question 6 1 3 2
What is the marginal cost when Q = 6 if T C = Q − 8Q + 210Q + 800 ?
3
Not yet
answered
a. 150
Marked out of
10.00 b. 100


c. 200


d. 66


e. None of the given options is correct.




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Assessment 2 Assessment 4