Algebra 1A quiz review - functions / relations

A set of ordered pairs is called what?

• Coordinates
• Relation
• Function
• Vertical Line Test

Which relation is NOT a function?

• {(1,-5), (3,1), (-5,4), (4,-2)}
• {(2,7), (3,7), (4,7), (5,8)}
• {(1,-5), (-1,6), (1,5), (6,-3)}
• {(3,-2), (5,-6), (7,7), (8,8)}

All of the x values or inputs are called what?

• Domain
• Range
• Relation
• Function

Is this a function? 

• Yes
• No

Which of the following is not a function?

• {(0,1), (1,2), (2,3), (3,4)}
• {(0,2), (1,3), (4,3), (1,2)}
• {(1,3), (4,2), (2,0), (3,4)}
• {(1,2), (2,2), (3,2), (4,2)}

Is this graph a function or not a function? 

• Function 
• Not a Function

Is this graph a function or not a function? 

• Function
• Not a Function

Is relation shown a function?

• YES
• NO

For the function {(0,1), (1,-3), (2,-4), (-4,1)}, write the domain and range.

• D: {1, -3, -4,}
  R: {0, 1, 2, -4}
• D:{0, 1, 2, -4}
  R:{1, -3, -4}
• D:{0, 1, 2, 3, 4}
  R:{1, -3, -4}

Does this relation represent a function?

• No

• Yes