Radical Functions Domain and Range

Identify the DOMAIN and RANGE

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Find the domain and range of the function
Hint:  Use a scratch graph to help you visualize things. 

• Domain: (-∞, ∞)  Range: [-∞, 4]

• Domain: [1, ∞)  Range: (-∞, 4]

• Domain: [-1. ∞) Range: [4, ∞) 

• Domain: [4, ∞) Range: [-1,∞) 

What is the range of this graph?

• y ≥ -1

• y ≤ -1

• y ≥ 0

• y ≤ 0

Which of the following is the function shown in the graph?

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What is the domain of the graph of the radical function?

• (-infinity, infinity)

• (-7, infinity)

• (0, infinity)

• (4, infinity)

• y ≥ 0
• x ≥ -2
• x ≤ -2
• y ≥ 2

Find the domain and range of the function

Hint: Use a sketch to help you visualize things.

• Domain: (-∞, ∞)

  Range: [-∞, 4]

• Domain: [1, ∞)

  Range: (-∞, 4]

• Domain: [-1. ∞)

  Range: [4, ∞)

• Domain: [4, ∞)

  Range: [-1,∞)

What is the range of the function in this graph?

• (-∞, 3]

• [3, ∞)

• (-∞, 0]

• [0 ∞)

Find the domain of h(x):

• (- ∞, ∞)

• [2, ∞)

• (-∞, -2]

• [-2, ∞)

What is the domain of the graph of the radical function?

• (-∞, ∞)

• [-7, ∞)

• [0, ∞)

• [4, ∞)