Definitions of Functions, Range, Interval Notation, Y Intercept, and Zeros of Functions

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

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

Express the following in Interval Notation
 -9 < x ≤ -4 

• [-9, -4]
• (-9,-4]
• [-9, -4]
• (-9,-4)

What is the domain of the function?

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

What is the domain?

• (-3 , 3)
• [-4, 5]
• (-4, 5)
• (-3, 3]

What is the range?

• (-3, 3)
• [-4, 5)
• [-4 , 5]
• (-3 , 3]

What is the domain of the graph?

• [1,∞)
• (-∞,1]
• (-∞,∞)
• [-∞,∞]

What is the range of the graph?

• [1, ∞)
• (1, ∞)
• (-∞, ∞)
• none of these

What is the domain of the graph?

• [ -∞, ∞]
• (-∞,∞)
• [-3 , 3]
• [-15, 9]

What is the range of the graph?

• [-15, 9]

• (-∞, ∞)

• (-15, ∞)

• [-15, ∞)

Write the following in interval notation
 x < 8

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