Unit Test #8

Select your answers to the following 5 questions from the pop-up menus in the right hand column. Clicking the "Begin Test Again" button will clear all the answers.

 

 

Q1:

 

Which would be best to differentiate

(2x + 3).cos x?
A. Chain Rule
B. Distributive Rule
C. Cosine Rule
D. Product Rule

Answer 1:

 

 

Q2:

 

Differentiate (2x + 3)cos x A. 2cos x - 2x sin x - 3sin x
B. 3cos x - 2x sin x - 3sin x
C. 2cos x - 2x sin x + 3sin x
D. 3cos x + 2x sin x - 3sin x

Answer 2:

 

 

Q3:

 

Differentiate (x2 - 1)(x2 + 1) A. 2x2
B. x4
C. 3x3
D. 4x3

Answer 3:

 

 

Q4:

 

Differentiate x4(x + 11) A. 4x5 + 44x3
B. 4x4 + 44x2
C. 5x4 + 44x3
D. 5x4 + 44x2

Answer 4:

 

 

Q5:

 

Differentiate x ex - ex A. x ex
B. x2 ex
C. x ex2
D. 2x ex

Answer 5: