Relations, Functions, Domain, and Range

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)}

Is the relation a function? Why.

• Yes, because the x-value 11 has two y-values pair with it.

• Yes, because each x-value has only one y-value paired with it.

• No, because the x-value 11 has two y-values pair with it.

• No, because each x-value has only one y-value paired with it.

Is this graph a function or not a function? 

• Function

• Not a Function

What is the domain and range of this relation?

• D: all real numbers

  R: all real numbers

• D: all real numbers

  R: y < -1

• D: x < -1

  R: all real numbers

• D: x < -1

  R: y < -1

Select TWO correct answers.

Domain

​ (a)  

Range

​ (b)  

• The domain of the function is {0,1,2,3,4,5}

• The range of the function {0,96,192,288,384,480}

• The domain of the function is all real numbers

• The domain of the function {0,96,192,288,384,480}

• The range of the function {0,1,2,3,4,5}

• The range of the function is all real numbers.

What is the domain and range?

• D: {0, 4, 7}

  R: {-3, -1, 2, 4}

• D: {-3, -1, 2, 4}

  R: {0, 4, 7}

• D: {-3, -1, 0, 4}

  R: {2, 4, 7}

• {(-3,0), (-1,4), (2,7), (4,4)}

What is the domain and range of the map provided?

• Domain: -5, 7, 10

  Range: -2, 0, 4, 9

• Domain: -2, 4, 9

  Range: -5, 7, 10

• PLZ not this one

• Domain: -2, 0, 4, 9

  Range: -5, 7, 10

Choose the correct domain and range for this relation. Make sure to choose the BEST answers.

d

e

{ 2, -1, 4, 6, 2 }

{ -3, 1, 2, 4, 5 }

2, -1, 4, 6, 2

{ -1, 2, 4, 6 }

4, -3, 1, 5, 2

{ 4, -3, 1, 5, 2 }

The graph shown has a domain of​ (a)   .

It has a range of (b)   ​ (c)   (d)   . ​

• ARN

• y

• >

• G

• x

• <

• E

• B

• A

• H

Write the domain for {(-4; 3), (2; 1), (0;3), (-3;-2)}

• xE{-2; 1; 3}

• yE{-2; 1; 3}

• xE{-4; -3; 0; 2}

• yE{-4; -3; 0; 2}