Quiz: Functions And Relations Test!

19 Questions | Total Attempts: 253

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Quiz: Functions And Relations Test! - Quiz

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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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