Intervals of Increase and Decrease, Linear or Nonlinear

When is the function decreasing?

• (30, 55)

• (40, 60]

• (15, 40)

• (60, -40)

When is this function increasing?

• (-3, 3)

• (-2.5, 2.5)

• [-3, 3]

• (3, ∞)

Where is the function increasing and decreasing?

• increasing (-∞,∞) and no decreasing

• no increasing and decreasing (-∞,∞)

• increasing (1,∞) and

  decreasing (-∞,1)

• increasing (-1,∞) and

  decreasing (-∞,-1)

Where is the function decreasing?

• (-∞, -1)
• (-1, ∞)
• (-∞, 3)
• (-∞, ∞)

When is this function decreasing?

• (-3, 3)

• (-∞, -3) U (3, ∞)

• (-∞, -3] U [3, ∞)

• [-3, 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 interval(s) over which the given function is decreasing.

• (-∞, 0) U (2, ∞)

• (5, -4) U (0, -3)

• (-3, 0) U (2, 3)

• (2, 3)

How would you describe the behavior of this function on the domain interval (-1, 1)?

• increasing

• decreasing

• constant

Is interval 2, -4 < x < 0, increasing, decreasing, or constant?

• Increasing

• Decreasing

• Constant

Is interval 3, 0 < x < 1, increasing, decreasing, or constant?

• Increasing

• Decreasing

• Constant