Increase and Decrease Intervals and Characteristics of Quadratics

When is this function increasing?

• (-3, 3)

• (-2.5, 2.5)

• [-3, 3]

• (3, ∞)

Where is the function decreasing?

• (-∞, -1)

• (-1, ∞)

• (-∞, 3)

• (-∞, ∞)

When is this function decreasing?

• (-3, 3)

• (-∞, -3) U (3, ∞)

• (-∞, -3] U [3, ∞)

• [-3, 3]

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)

The intervals in which the function f given by f (x) = x² – 4x + 6 is increasing is

• none of these

Where is the function increasing and decreasing?

• increasing (-∞,∞) and decreasing nowhere

• increasing nowhere and decreasing (-∞,∞)

• increasing (1,∞) and decreasing (-∞,1)

• increasing (-1,∞) and decreasing (-∞,-1)

What is/are the increasing interval(s) for the function shown?

Where is the decreasing?

• ( −∞, −2.55) U (0, 2.55)

• (∞, −6.25) U (36, −6.25)

• ( −∞, −2.55] U [0, 2.55]

• (−∞, 0)

Is interval 2 increasing, decreasing, or constant?

• Increasing

• Decreasing

• Constant

Is interval 4 increasing, decreasing, or constant?

• Increasing

• Decreasing

• Constant