MNP3701 | Applied Mathematics for Business | UNISA | Assignment 3 2025 | Full Derivatives Quiz with Answers (100%)

UNISA  2025  DSC1520-24-S1  Welcome Message  Assessment 2


QUIZ




Started on Thursday, 1 February 2025, 12:55 PM
State Finished
Completed on Thursday, 1 February 2025, 1:05 PM
Time taken 9 mins 46 secs
Grade 100.00 out of 100.00

Question 1

Correct

Mark 7.00 out of 7.00




Evaluate

2
d x − x
[ − ].
dx √x




−
a. 1
−
3
√x 
2√x 2



3 −
b. √x −
1

2 2√x


3 −
c. √x +
1

2 2√x


2 − 1
d. √x +
3 2√x




Your answer is correct.

The correct answer is:
1 3 −
− √x
2√x 2




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, Question 2

Correct

Mark 5.00 out of 5.00




Find the derivative of the function

3 2
f (x) = x − 3x .




a. 3x
2
− 6x 

b. 3x − 6x


c. 3x
2
− 6x
2




2
d. 3x − 6




Your answer is correct.

The correct answer is:
2
3x − 6x




Question 3

Correct

Mark 7.00 out of 7.00




Differentiate

2 3
y = (x + 4)(2x − 1).




a. 5x
4
+ 12x − x 
4
b. 4x + 12x − x


c. 10x
4
+ 24x + −x


d. 5x
4
+ 12x + x




Your answer is correct.

The correct answer is:
4
5x + 12x − x




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