Describe Function Intervals

Determine the domain and range.

• D: (-∞, ∞); R: (-∞, ∞)

• D: (-3, 3); R: (0, 3)

• D: [-3, 3]; R: [3, 0]

• D: [-3, 3]; R: [0, 3]

On which interval(s) is the given function increasing?

• (-∞, 2) U (-2, ∞)

• (-2, 2) U (-2, ∞)

• (-∞, -2) U (0.5, ∞)

• (0, 2) U (0.5, ∞)

Describe the intervals over which the given function is decreasing.

• (-∞, 0) U (2, ∞)

• (5, -4) U (2, -3)

• (-3, 0) U (2, 3)

• (5, -4) U (0, -3)

Describe the range of the given function using interval notation.

• (-∞, ∞)

• (-4, 5)

• [-3, 5]

• [-4, 5]

Describe the interval over which the given function is decreasing.

• (-∞, 4)

• (4, 3)

• (0, 1)

• (0, -∞)

Describe the interval over which the given function is constant.

• (-∞, ∞)

• (-3, -1) U (5, ∞)

• {-1, 1}

• (1, 1) U (-1, ∞)

Determine the domain of the function.

• (5, -∞)

• (-∞, 5]

• [5, ∞)

• [5, -∞)

What is the range of the given function?

• [-1, 1]

• (-1, 1)

• (∞, -∞)

• (-∞, ∞)

What is the domain of the given function?

• (-∞, ∞)

• [0, ∞)

• (-∞, 1] U (1, 2] U (2, ∞)

• (0, ∞)

Describe the portion of the function to the right of the dashed line:

• Positive

• Negative

• Neither