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Quiz: Relations & Functions
By Jeanmarie Mullen
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Last updated over 4 years ago
18 questions
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Question 1
1.
Which set of ordered pairs represents a function?
{ (3, 4), (4, 5), (5, 6), (3, 7) }
{ (3, 4), (3, 5), (3, 6), (3, 7) }
{ (3, 6), (3, 9), (3, 12), (3, 15) }
{ (3, 4), (5, 6), (7, 8), (9, 10) }
Question 2
2.
Which graph below does not represent a function?
Question 3
3.
Which of the following represents a function?
Question 4
4.
What is the domain in the table below?
{ -2, 5, -1, 9 }
{ 0, 13, 1, 17 }
{ 5, 9, 13, 17 }
{ -2, -1, 0, 1 }
Question 5
5.
If f(x) = -0.5x - 5 , which statement is always true?
If x > 0, then f(x) < 0
f(x) < 0
f(x) > 0
If x > 0, then f(x) > 0
Question 6
6.
Which table below does not represent a function?
Question 7
7.
Based on the information given below, which of the following is NOT true?
q(6) = 7
r(5) = -1
q(4) = 2
p(1) = -17
Question 8
8.
Let g be a function such that g(x) = -4x + 1 is defined on the domain below.
What is the range of the function?
Question 9
9.
If f(x) = 2x
2
- 4x and g(x) = 8x - 16 , for which values of x is f(x) = g(x) ?
2 and 4
0 and 16
0 and -16
-4 and 48
Question 10
10.
Which representations are NOT functions?
III, only
III and IV
I and III
I and IV
Question 11
11.
Which represents the range of the function below?
Question 12
12.
What is the range in the graph below? Is this graph a function? Explain your answer.
Question 13
13.
Complete your own table with a relation that is a function.
Explain why your relation is a function.
visibility
View drawing
Question 14
14.
Identify the domain of the accompanying graph. You can write it in either inequality (set notation) or interval notation.
Question 15
15.
Identify the range of the accompanying graph. You can write it in either inequality (set notation) or interval notation.
Question 16
16.
Given the information below, evaluate each function.
Evaluate: f (6) + g (4) =
Question 17
17.
Given the information below, evaluate each function.
Evaluate: h (5) + p (5) =
Question 18
18.
Given the information below, evaluate each function.
If f (x) = 0 , then x =