Intervals of Polynomials

What is the increasing interval(s) on the function shown?

When is this function increasing?

• -3 < x < 3

• -2.5 < x < 2.5

• -50 < x < 50

• 3 < x < ∞

What is the range of the graph?

• (-∞,∞)

• [0,∞)

• (0,5)

• [-1,∞)

On what interval of x-values is this function decreasing?

• [2,∞)

• (-∞,2)

• The entire function is decreasing.

• The entire function is increasing.

What are the increasing intervals?

• (- ∞, 0) & (2, ∞ )

• (-1, 0) & (2,4)

• (0,2) & (-3, -7)

• (-8, -3) & (-7, 8)

How many increasing and decreasing intervals are there in this graph?

• 2 increasing, 2 decreasing

• 1 increasing, 2 decreasing

• 2 increasing, 1 decreasing

• 1 increasing, 1 decreasing

What is the increasing interval for this function?

• (-6, -2)

• (-∞, ∞)

• (-2, 6)

• (-1, 3)

Where is the function increasing?

• [4, ∞)

• [−4, ∞)

• [6, ∞)

• 4 < x < 6

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

• (-∞,-1)

• (-1,∞)

• (6,∞)

• (-∞,6)

Where is the decreasing?

• ( −∞, −2.55) U (0, 2.55)

• (∞, −6.25) U (36, −6.25)

• (−∞, ∞)

• (−∞, 0)