Polynomials Interval of Increasing and Decreasing

Where is the function increasing?

• [4, ∞)

• [−4, ∞)

• [6, ∞)

• 4 < x < 6

Where is the decreasing?

• ( −∞, −2.55) U (0, 2.55)

• (∞, −6.25) U (36, −6.25)

• (−∞, ∞)

• (−∞, 0)

What is the increasing interval for this function?

• (-6, -2)

• (-∞, ∞)

• (-2, 6)

• (-1, 3)

For what intervals of x is f(x) decreasing?

• (-∞,-1)

• (-1,∞)

• (6,∞)

• (-∞,6)

Where is the graph increasing?

• (-∞, -2.55) U (2.55, ∞)

• (0, ∞)

• (-2.55, 0) U (2.55, ∞)

• (-6.25, 36)

What is the interval of increase?

• (negative infinity, -2)

• (-2, infinity)

• (2, infinity)

• (negative infinity, 2)

What is the interval of decrease?

• (negative infinity, -2)

• (-2, infinity)

• (2, infinity)

• (negative infinity, 2)

Describe the end behavior of the graph.

• x → ∞, y→ ∞ and x→∞, y→⁻∞

• x → ∞, y→ ∞ and x→⁻∞, y→∞

• x → ∞, y→ ∞ and x→⁻∞, y→ 0

• x → ∞,y→ ∞and x→ ⁻∞, y→ ⁻∞

Find the decreasing interval

• (-1, infinity)

• (-infinity, -1)

• (-infinity, 4)

• (4, infinity)

Find the increasing interval

• (infinity, -2)

• (infinity, 2)

• (2, infinity)

• (-2, infinity)