PC Review for Quiz 1

What is the range?

• -4 < x ≤ 5
• -4 ≤ x < 5
• -3 < y < 3
• -3 ≤ y ≤ 3

What is the domain?

• -4 < x ≤ 5
• -4 ≤ x < 5
• -3 < y < 3
• -3 ≤ y ≤ 3

What is the Domain of this linear function?

• -6 ≤ x ≤ 6
• 0 ≤ x ≤ 7
• 2 ≤ x ≤ 7
• No Solution

What is the Range of this linear function?

• -6 ≤ y ≤ 6
• 0 ≤ y ≤ 6
• No Solution
• 4 ≤ y ≤ 3

Where is the function decreasing?

• (-∞, -1)
• (-1, ∞)
• (-∞, 3)
• (-∞, ∞)

When is this function increasing?

• (-3, 3)

• (-2.5, 2.5)

• [-3, 3]

• (3, ∞)

When is this function decreasing?

• (-3, 3)

• (-∞, -3) U (3, ∞)

• (-∞, -3] U [3, ∞)

• [-3, 3]

How would you describe the behavior of this function on the domain interval (-1, 1)?

• increasing

• decreasing

• constant

Express the following in Interval Notation
-8 ≤ x < 8

• [-8, 8]
• [-8,8)
• (-8, 8]
• (-8, 8)

Write the following in interval notation
 x < 8

• (8, ∞)
• (8, -∞)
• (-∞, 8)
• [-∞, 8]