Functions Review

What is the definition of function?

• Has inputs and outputs
• Every input has only ONE output
• Inputs have different outputs every time
• x-values and y-values

• Function
• Not a Function

All of the y values or outputs are called what?

• Domain
• Range
• Relation
• Function

Is this mapping a function or not a function? 

• Function
• Not a Function

All of the x values or inputs are called what?

• Domain
• Range
• Relation
• Function

Which of these is NOT the same

• Range
• Input
• Dependent Value
• Y-Value

Does the table represent a function?

• Yes, there  is a repeated x-value. 
• No, there aren't any repeated y-values. 
• Yes, there are repeated y-values. 
• No, there is a repeated x-value. 

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}

Is this graph a function or not a function? 

• Function 
• Not a Function 

Which set of values is a function?

• (9,5) (10,5) (9,-5) (10,-5)
• (3,4) (4,-3) (7,4) (3, 8)
• (6,-5) (7, -3) (8, -1) (9, 1)
• (2, -2) (5, 9) (5, -7) (1, 4)