TAX2601 Assignment 5 2024 ( full memo on ) 06..33..91..7.5.9.1..

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)