Chapter 2 Quiz Practice

Which graph is a FUNCTION?

• A

• B

• C

• D

Which of these graphs is a FUNCTION?

• A

• B

• C

• D

Identify the domain and range. Does the relation represent y as a function of x?

• D: {4}

  R: {1, 3, 7, 10}

  No, it is not a function.

• D: {1, 3, 7, 10}

  R: {4}

  Yes, it is a function

• D: {4}

  R: {1, 3, 7, 10}

  Yes, it is a function.

What is the range of the following relation.

Then determine whether the relation is a function or not.
(9, -2) (4, 3)  ( 8, 10) ( -4, 8)

• {-4, 4, 8, 9};

  not a function

• {-2, 3, 8, 10}; function

• {(9, -2) ( 4, 3)};

  function

• {(8, 10) (-4, 8)};

  not a function

What is the domain of the relation shown in the table?

Then determine whether the relation is a function. 

• {3, 9, 15, 16};

  not a function

• {6, 18};

  not a function

• {3, 9, 15, 16};

  function

• {6, 18};

  function

What is the domain of the table?

Then determine whether the relation is a function. 

• {-4, 0, 1, 3};

  function

• {-2, 0, 2, 3};

  function

• {-4, 0, 1, 3};

  not a function

• {-2, 0, 2, 3};

  not a function

IS THIS GRAPH DISCRETE AND CONTINUOUS?  

• DISCRETE
• CONTINUOUS

A graph that consists of points that are not connected

• Discrete Graph

• Continuous Graph

• Relation

• Other

Which of the following mappings represents an onto function?

• 
• 
• 
• 

The function mapped is:

• Onto

• One-to-One

• Both

• Neither