Unit Test #31

Select your answers to the following 10 questions from the pop-up menus in the right hand column. Clicking the "Begin Test Again" button will clear all the answers.

 

 

Q1:

 

If f(x) = 2x2 - 3x + 4, what is f '(x)? A. 2x - 3
B. 4x + 4
C. 4x - 3
D. 2x + 4

Answer 1:

 

 

Q2:

 

In question 1 what is f(2)? A. 14
B. 6
C. 2
D. 5

Answer 2:

 

 

Q3:

 

In question 1 what is f '(2) A. 6
B. 5
C. 12
D. 1

Answer 3:

 

 

Q4:

 

In the graph, what is f(2)

A. 0
B. 1
C. -1
D. 3

Answer 4:

 

 

Q5:

 

In the graph in question 4, f(x) = A. x2 + 4x + 3
B. x2 - 4x + 4
C. x2 + 4x - 4
D. x2 - 4x + 3

Answer 5:

 

 

Q6:

 

In question 4, what is f '(x)? A. 2x - 4
B. 1
C. 2x + 3
D. 4x - 4

Answer 6:

 

 

Q7:

 

In question 4, what is the gradient at x = 2? A. undefined
B. 1
C. 0 
D. 2

Answer 7:

 

 

Q8:

 

In question 4, what is the equation of the tangent at x = 2? A. x = 0
B. x = 2
C. y = 0
D. y = -1

Answer 8:

 

 

Q9:

 

For the equation y = x3, what is the equation of the tangent to the curve at x = 1? A. y = 3
B. x = -2
C. y = 3x - 2
D. y = 3x + 2

Answer 9:

 

 

Q10:

 

At what point on the parabola y = 4 - x2 is the gradient 0? A. (0, 4)
B. (4, 0)
C. (-4, 0)
D. (0, -4)

Answer 10: