Increase/Decrease

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)

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)

When is this function increasing?

• -3<x<3

• -2.5<x<2.5

• x>2.5

• x>3

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

• $\left(-3,\ 1\right)$

• $\left(4,\ 8\right)$

• $\left(-\infty,1\right)\ and\ \left(-3,\ 1\right)$

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

•  $\left(2,\ 4\right)\ and\ \left(8,\ \infty\right)$ 

•  $\left(-\infty,\ 1\right)\ and\ \left(8,\ \infty\right)$ 

•  $\left(-\infty,1\right),\ \left(-3,\ 1\right)\ and\ \left(8,\ \infty\right)$ 

•  $\left(-\infty,\ 1\right),\ \left(2,\ 4\right)\ and\ \left(8,\ \infty\right)$ 

What is the interval of increase of this function?

• (1, ∞)
• None
• (2, ∞)
• (-∞, ∞)

What is the interval of decrease of this function?

• (1, ∞)
• (-∞, ∞)
• (2, ∞)
• None