Functions and Relations

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

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 this table a function or not a function? 

• Function

• Not a Function

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)}

What is the range of the following graph?

• R: {-5, -1,  0 , 1, 5}

• R: {-4, -2, 0, 3, 6}

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}

• D:{0, 1, 2, 3}
  R:{0, 1, 2, 3, 4}

Is the relation a function? 
{(4,5), (4,-7), (4,2), (4,0), (4,9)}

• Yes

• No