Unit 3 Review

Determine the interval in which this function is INCREASING.

• (-4, ∞)
• (-3, ∞)
• (∞, -3)
• (-∞, -4)

Determine the interval in which this function is DECREASING.

• (-3, ∞)
• (-3, ∞)
• (-∞, -4)
• (-∞, -3)

Identify the increasing interval:

• (0, 4)

• (1, 0) U (1, 4)

• (-1, 1)

• (-∞, -1) U (1, ∞)

Identify the decreasing interval:

• (0, 4)

• (1, 0) U (1, 4)

• (-1, 1)

• (-∞, -1) U (1, ∞)

What is f(0)?

As x increases, y decreases.

• True

• False

Which ordered pair could represent a y-intercept?

• (-1, 0)

• (2, 4)

• (0,4)

• (-2, 4)

What best describes the increasing/decreasing of the graph?

• decreasing, increasing

• decreasing, increasing, decreasing

• increasing, decreasing, increasing

• increasing, decreasing

The graph represents a function.

• true

• false

Is this a function?

• Yes

• No