Domain of Rational Expressions

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,∞)

What is the DOMAIN of the function?

• [-3, ∞)

• [0, ∞)

• [3, ∞)

• (-∞, 0]

What is the domain of the function in this graph?

• (-∞, 3]

• [3, ∞)

• (-∞, 0]

• [0, ∞)

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, ∞)

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

• (-∞, ∞)

• [-8, ∞)

• [6, ∞)

• (-∞, 6]

Which of the following correctly describes the domain and range for the function graphed?

• Domain: [-5, ∞)

  Range: (-∞, 4]

• Domain: [-5, ∞)

  Range: [4, -∞)

• Domain: (-∞, ∞)

  Range: (-∞, ∞)

• Domain: [4, ∞)

  Range: (-∞, -5]

What are the asymptotes?

• x = -3 & y = 1

• x = 3 & y = 1

• x = -3 & y = -1

• x = 3 & y = -1