Finding Domain and Range from Equations

Domain represents the x-values of the graph. Find the domain by looking at the points given and seeing which numbers they are on the x-axis.

• F

• G

• H

• J

Tags

AI.9.2.A

Range represents the y-values of the graph. Find the range by looking at the points and the numbers they represent on the y-axis.

• A

• B

• C

• D

Tags

AI.9.2.A

What is the domain and range of f(x) = -2x² - 4x - 5

• Domain: All real numbers

  Range: All real numbers greater than or equal to -1

• Domain: All real numbers less than or equal to -1

  Range: All real numbers

• Domain: All real numbers

  Range: All real numbers less than or equal to -3

• Domain: All real numbers

  Range: All real numbers greater than or equal to -3

What is the domain of the function graphed on the grid?

• -4 ≤ x < 5

• -4 ≤ x ≤ 5

• -3 ≤ x < 3

• -3 < x ≤ 3

What are the domain and range of the function shown? The Domain is ​ (a)   The Range is ​ (b)  

• { x | x ≤ 6}

• { y | y ≥ -2}

• { x | x > -2}

• { x | x ≥ -2}

• { x | x < 6}

• { y | y < 6}

• { y | y ≤ 6}

• { y | y > -2}

• { y | y ≤ -2}

What are the domain and range of the function shown below.

The domain is ​ (a)  

The range is ​ (b)  

• { x | x > -4 }

• { y | y < 6 }

• { x | x ≥ -4 }

• { x | x < 6 }

• { x | x ≤ 6 }

• { y | y ≤ 6 }

• { y | y > -4 }

• { y | y ≥ -4}

What are the domain and range of the function shown below.

• { x | x > -4 }

• { y | y < 6 }

• { x | x ≥ -4 }

• { x | x < 6 }

• { x | x ≤ 6 }

• { y | y ≤ 6 }

• { y | y > -4 }

• { y | y ≥ -4}

The Domain for the graph is ​ (a)   , and the range of this graph is ​ (b)   .

• all real numbers

• all real numbers greater than or equal to 0

• all real numbers less than or equal to 0

• {0}

• all real numbers less than or equal to 2

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.

The Domain is ​ (a)   , and the range is ​ (b)   .

• all real numbers

• all numbers less than or equal to 6

• all numbers greater than or equal to 6

• all numbers greater than -2 and less than 2

• all numbers greater than -8 and less than 8