Question 1

Define the partial derivative of f(x, y) with respect to x.

Options :

A :

B :

C :

D :

Answer: B

Question 2

State what the limit of a function with input variable x represents.

Options :

A : The limit represents the smallest value that the function can take over its considered range.

B : The limit represents the behaviour of a function as x approaches a certain value.

C :

The limit represents the value of x for which the function is incalculable.

D : The limit represents the value of the function when x=0.

Answer: B

Question 3

v = f(x, y, z) is a real valued function of 3 variables.

Express the partial derivative of v with respect to z in standard mathematical notation.

Options :

A :

B :

C :

D :

Answer: B

Question 4

Determine the coefficient of x3 in the binomial expansion of (2 + x)5.

Options :

A : 10

B : 40

C : 64

D : 80

Answer: B

Question 5

Describe the skewness of the following data:

Options :

A : Positively skewed

B : Symmetric

C : Negatively skewed

D : Inversely skewed

Answer: A