Radical Functions Domain

What is the DOMAIN of the function?

• [-3, ∞)

• [0, ∞)

• [3, ∞)

• (-∞, 0]

For what value of x will the radical term equal 0?

• -4
• 0
• 4
• 7

Find the Domain

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Find the range if domain is x > 4

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Identify the Range

• (- ∞, -2 ]

• [ -2, ∞ )

• All Real Numbers

• [ 0, ∞)

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,∞)