DSC1520
ASSIGNMENT 5
DUE: 6 MAY 2024
,DSC1520-24-S1 Welcome Message Assessment 5
QUIZ
Started on Sunday, 3 March 2024, 7:45 AM
State Finished
Completed on Sunday, 3 March 2024, 8:54 AM
Time taken 48 mins 49 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
,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
Incorrect
Mark 0.00 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
, Question 4
Correct
Mark 7.00 out of 7.00
Differentiate the function
3 2x
P (x) = x e .
a. 2 2x
x e (2x + 3)
b. 2x
e (2x + 3)
c. 5 2x 3 2
x e (x + 3x )
d. 5x e
5 4x
Your answer is correct.
The correct answer is:
2 2x
x e (2x + 3)
Question 5
Correct
Mark 7.00 out of 7.00
Find the derivative
x
y = 14 + ln ( ).
−−−−
−
√x + 5
a. x+10
2x(x+5)
b. 2x(x + 5)
c. 3x+10
2x(x+5)
d. 10
2x(x+5)
Your answer is correct.
The correct answer is:
x+10
2x(x+5)
ASSIGNMENT 5
DUE: 6 MAY 2024
,DSC1520-24-S1 Welcome Message Assessment 5
QUIZ
Started on Sunday, 3 March 2024, 7:45 AM
State Finished
Completed on Sunday, 3 March 2024, 8:54 AM
Time taken 48 mins 49 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
,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
Incorrect
Mark 0.00 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
, Question 4
Correct
Mark 7.00 out of 7.00
Differentiate the function
3 2x
P (x) = x e .
a. 2 2x
x e (2x + 3)
b. 2x
e (2x + 3)
c. 5 2x 3 2
x e (x + 3x )
d. 5x e
5 4x
Your answer is correct.
The correct answer is:
2 2x
x e (2x + 3)
Question 5
Correct
Mark 7.00 out of 7.00
Find the derivative
x
y = 14 + ln ( ).
−−−−
−
√x + 5
a. x+10
2x(x+5)
b. 2x(x + 5)
c. 3x+10
2x(x+5)
d. 10
2x(x+5)
Your answer is correct.
The correct answer is:
x+10
2x(x+5)
