2/27/24, 7:08 PM Assessment 2: Attempt review
DSC1520-24-S1 Welcome Message Assessment 2
QUIZ
Started on Tuesday, 27 February
2024, 6:55 PM
State Finished
Completed on Tuesday, 27 February
2024, 7:07 PM
Time taken 12 mins 5 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
b. 3 −
√x −
1
2 2√ x
−
c. 3
√x +
1
2 2√ x
d. 2 −
√x +
1
3 2√ x
Your answer is correct.
The correct answer is:
1 3 −
− √x
2√ x 2
https://mymodules.dtls.unisa.ac.za/mod/quiz/review.php?attempt=15002093&cmid=842663 1/9
, 2/27/24, 7:08 PM Assessment 2: Attempt review
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
d. 3x
2
− 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
b. 4x
4
+ 12x − x
c. 10x
4
+ 24x + −x
d. 5x
4
+ 12x + x
Your answer is correct.
The correct answer is:
4
5x + 12x − x
https://mymodules.dtls.unisa.ac.za/mod/quiz/review.php?attempt=15002093&cmid=842663 2/9
DSC1520-24-S1 Welcome Message Assessment 2
QUIZ
Started on Tuesday, 27 February
2024, 6:55 PM
State Finished
Completed on Tuesday, 27 February
2024, 7:07 PM
Time taken 12 mins 5 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
b. 3 −
√x −
1
2 2√ x
−
c. 3
√x +
1
2 2√ x
d. 2 −
√x +
1
3 2√ x
Your answer is correct.
The correct answer is:
1 3 −
− √x
2√ x 2
https://mymodules.dtls.unisa.ac.za/mod/quiz/review.php?attempt=15002093&cmid=842663 1/9
, 2/27/24, 7:08 PM Assessment 2: Attempt review
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
d. 3x
2
− 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
b. 4x
4
+ 12x − x
c. 10x
4
+ 24x + −x
d. 5x
4
+ 12x + x
Your answer is correct.
The correct answer is:
4
5x + 12x − x
https://mymodules.dtls.unisa.ac.za/mod/quiz/review.php?attempt=15002093&cmid=842663 2/9