Quiz: Functions And Relations Test!
19 Questions
| Total Attempts: 253
.
Questions and Answers
- 1.What is the closest definition of a function?
- A.
A function relates an input to an output.
- B.
An equation that has a dependent variable inside the parenthesis
- C.
An equation in which the x is always dependent
- 2.It is the collection of related objects thru an ordered pair.
- A.
Set
- B.
Relation
- C.
Function
- 3.Is a group of objects with the same characteristics.
- A.
Set
- B.
Relation
- C.
Function
- 4.Given U={1 , 2,3,5,8,9,12 ,13} A={ 1,2,3} B= { 5 , 12 ,13 } what is A - B?
- A.
U
- B.
A
- C.
B
- D.
Null
- 5.Given U={1 , 2,3,5,8,9,12 ,13} A={ 1,2,3} B= { 5 , 12 ,13 ,8,9} what is B - U?
- A.
U
- B.
A
- C.
B
- D.
Null
- 6.Given U={1 , 2,3,5,8,9,12 ,13} A={ 1,2,3} B= { 5 , 12 ,13 } what is U - B?
- A.
U
- B.
A
- C.
B
- D.
NULL
- 7.Collections in a set need to be ordered.
- A.
True
- B.
False
- 8.The Universe contains all the possible values in a set.
- A.
True
- B.
False
- 9.The following is presented in what set notation? A = { 2, 3, 4,5 }
- A.
Set Builder
- B.
Roster Form
- C.
Normal Form
- 10.What is the set builder notation of A ={ 4,9,16,25} ?
- A.
A = { x | x are the even numbers from 1 to 40}
- B.
A = { x | x are the squares from 1 and 36}
- C.
A = { x | x are the squares between 1 and 36}
- D.
A = { x | x are the squares between 1 and 40}
- 11.What is f -1 of f(x)= 2x + 3?
- A.
X/2 + 3
- B.
Y/2 - 3
- C.
3y -2
- D.
3 - 2x
- 12.What is the set notation ( letter symbol) for Integers?
- 13.In a function, x can have one or more elements in Y.
- A.
True
- B.
False
- 14.Relations are presented through ordered pairs.
- A.
True
- B.
False
- 15.What is g(f(x)) when f(x) = 2x +3 and g(x) = x -1?
- A.
2x-1
- B.
2(x+1)
- C.
2x + 1
- D.
2(x -1)
- 16.
What property of relationship is shown by the figure below?- A.
Reflexive
- B.
Transitive
- C.
Symmetric
- 17.
What type of function is shown by the figure below?
- A.
One to one
- B.
Onto
- C.
Bijection
- D.
Not a function
- 18.
What type of function is shown by the figure below?
- A.
One to one
- B.
Onto
- C.
Bijection
- D.
Not a function
- 19.
What type of function is shown by the figure below?
- A.
One to one
- B.
Onto
- C.
Bijection
- D.
Not a function
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