functions and evaluating function

Function or Not a Function?

• Function

• Not a Function

Function or Not a Function?

• Function

• Not a Function

Is this graph a function or not a function?

• Function, passes the Vertical Line Test.

• Not a Function, fails the Vertical Line Test.

Give the domain and range. Tell if it is a function.

• D: {-4, -2, 0, 2}
  R: {-2, -2, 1, 1}
  Function
• D: {-4, -2, 0, 2}
  R: {-2, 1}
  Function
• D: {-4, -2, 0, 2}
  R: {-2, -2, 1, 1}
  Not a Function
• D: {-4, -2, 0, 2}
  R: {-2, 1}
  Not a Function

Find the domain of the ordered pair ((1,2), (2,3), (3,4))

• (1, 2, 3)

• (3, 4, 2)

• (2, 3, 4)

• (1, 2, 4)

• -16

• 16

• 0

• undefined 

• Function
• Not a Function

Is this graph a function or not a function? 

• Function 
• Not a Function 

• 8

• -24

• 24

• -22