Polynomial Intervals of Increase and Decrease

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, ∞)

Where is the polynomial function decreasing?

• ( −∞, −2.55) U (0, 2.55)

• (∞, −6.25) U (36, −6.25)

• ( −∞, −2.55] U [0, 2.55]

• (−∞, 0)

When is this function increasing?

• (-3, 3)

• (-2.5, 2.5)

• [-3, 3]

• (3, ∞)

What is the interval of decrease?

• (negative infinity, -2)

• (-2, infinity)

• (2, infinity)

• (negative infinity, 2)

What is the interval of increase?

• (negative infinity, -2)

• (-2, infinity)

• (2, infinity)

• (negative infinity, 2)

Where is the graph increasing?

• (-∞, -2.55) U (2.55, ∞)

• (0, ∞)

• (-2.55, 0) U (2.55, ∞)

• (-6.25, 36)

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)

• (-∞, ∞)

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)