Function vs. Relation

• function

• relation

Which statement is false?

• if an input is mapped to more than one output then it is a function

• if an input is mapped to only one output then it is a function

• if an output has more than one input mapped to it then it is a function

• if an output has only one input mapped to it then it is a function

Select ALL the graphs that represent functions

• Graph 1

• Graph 2

• Graph 3

• 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)

Is this graph a function or not a function? 

• Function 

• Not a Function 

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}

Which ordered pair could you add to the following list of points to create a function?  (3, 5) (4, 9) (2, 5) 

• (3, 7)

• (4, 1) 

• (1, 9)

• (2, 6)

All of the y values or outputs are called what?

• Domain

• Range

• Relation

• Function

All of the x values or inputs are called what?

• Domain

• Range

• Relation

• Function