Interval Notation of Functions

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

• [-4, -1)

• (-4, -1)

• (-4, -1]

• [-4, -1]

Look at the graph. Write the interval notation for the graph.

• (-2,5)

• (-∞,-2)⋃(5,∞)

• [-2,5]

• (-∞,-2]∪[5,∞)

Write the following in interval notation
x ≥ 100

• (0, 100]  (Real quick)

• (∞, 100]

• [100, ∞)

• (∞, 100)

Write the following in interval notation

• (3, -∞) U (∞, 5]

• [-∞, 3) U [5, ∞]

• (-∞, 3) U [5, ∞)

• (3, -∞] U [∞, 5]

• (3, -∞] U [5, ∞]

What is the domain of the function?

• (3, ∞)

• [-3, ∞)

• (-∞, 4]

• (-∞, 4)

• [0, 3]

• (0, 3)

• [0, 3)

• (0, 3]

Write the following in interval notation
 x < 8

• (8, ∞)

• (8, -∞)

• (-∞, 8)

• [-∞, 8]

What is the domain in interval notation?

• ( -5 , 5 )

• [-2 , -4 )

• -5 < x < 5

• -2 ≥ y > -4

What is the domain in interval notation?

• [ -2 , 2 )

• ( 5 , 1 ]

• -2 ≤ x < 2

• 5 > y ≥ 1

What is the domain in interval notation?

• ( -4 , 4 )

• [ 1 , -3 )

• [-4, 4]

• (-3, 1]