From First Principles Test

Unit Test #2

Select your answers to the following 5 questions from the pop-up menus in the right hand column. When you are satisfied with your answers, fill in your name and e-mail address in the spaces provided below the test, and click the "Submit Test" button. Clicking the "Begin Test Again" button will clear all the answers.

 

 

Q1:

 

 Differentiating a function gives: A. The gradient function
B. The derived function
C. The derivative
D. All of the above
Answer 1:

 

Q2:

 

What is the gradient function of

f(x) = 3x2 - 4x - 5?

 A. f '(x) = 3x - 4
B. f '(x) = 6x - 4
C. f '(x) = 6x2 - 4x
D. (f '(x) = 6x - 5
Answer 2:

 

Q3:

 

 The gradient function of y = 4x3 has a graph which is a: A. straight line
B. hyperbola
C. cubic
D. parabola
Answer 3:

 

Q4:

 

 What is the gradient of the base point of a parabola? A. -1
B. 0
C. 1
D. undefined
Answer 4:

 

Q5:

 

 Differentiate 2x3 A. 2x2
B. 3x2
C. 6x3
D. 6x2
Answer 5: