Elementary Calculus
Class Test 3 - Functions Name & ID:
Question 1
Write an equation to represent the function from the following table of values:
A.y = -2x B.y = 2x C.y = x + 1 D.y = x + 2
Question 2
Write an equation to represent the function from the following table of values:
A.y = x + 3 B.y = 3x C.y = 4x D.y = x – 3
Question 3
Which one of the following relations is not a function?
A.A B.B C.C D.D
Question 4
A = {-3, -2, -1, 0, 1, 2, 3}
f is a function from A to the set of whole numbers as defined in the following table:
A. The set of Integers B. The set of Whole numbers
C. {-3, -2, -1, 0, 1, 2, 3} D. {0, 1, 4, 9}
Question 5
Which one of these graphs does not illustrate a function?
A. A B. B C. C D. D
Question 6
Which one of the following is not a function?
A B
C D
A. not a function B. not a function C. not a function D. not a function
Question 7
Which relation is not a function?
A. F(x) = √x B. F(x) = -√x C. F(x) = ±√x D. F(x) = √x – 1
Question 8
The function f is defined on the real numbers by f(x) = 2 + x - x2 What is the value of f(-3)?
A. -10 B. -4 C. 8 D. 14
Question 9
A.
C.
Question 10
Which one of the following is not a function?
A B
C D