Key Features of Functions - Quiz Review

Express the following in Interval Notation

-8 ≤ x < 8

• [-8, 8]

• [-8,8)

• (-8, 8]

• (-8, 8)

• (8, -8]

Write the following in interval notation
 x < 8

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

Write the following in interval notation

x < 3 or x ≥ 5

• (3, -∞) U (∞, 5]

• [-∞, 3) U [5, ∞]

• (-∞, 3) U [5, ∞)

• (3, -∞] U [∞, 5]

• (3, -∞] U [5, ∞]

Look at the Graph. Write the inequality in interval notation.

• [-4, -1)
• (-4, -1)
• (-4, -1]
• [-4, -1]

Look at the picture. Which graph best represents the solution set (-∞, -2) U (5, ∞)?

• Graph 1
• Graph 2
• Graph 3
• Graph 4

What is the Range?

• y ≥ 6
• y ≤ 6
• -10 ≤ y ≤ 6
• -10 ≤ x ≤ 6

What is the domain of the graph?

• {x| -∞ ≤ x ≤ ∞}
• (-∞,∞)
• -3 ≤ x ≤ 3
• -15 ≤ y ≤ 9

What is the range of this function?

• (-∞,+∞)
• (-4,2]
• (-∞,2]
• [2,-∞)

What is the range of this function?

• [-2,3]
• (-2,3]
• [-5,4]
• (-5,4]

What is the domain of this function?

• [-2,3]
• (-2,3]
• [-5,4]
• (-5,4]