Pre-Calculus Domain in Interval Notation

DESCRIBE THE DOMAIN OF THE FUNCTION IN THE IMAGE USING INTERVAL NOTATION

Do not put any spaces.

DESCRIBE THE INTERVAL OF WHEN THE FUNCTION IN THE IMAGE IS DECREASING USING INTERVAL NOTATION

Do not put any spaces.

Which of the following is the formula to calculate where a quadratic function has a minimum or maximum?

• 2a/b

• -b/(2a)

• b/(2a)

• -2a/b

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 domain in Interval notation?

• [ -2 , 2 ]

• [ 4 , -4 ]

• -2 ≤ x ≤ 2

• 4 ≥ y ≥ -4

What is the domain?

• [-2, 3]

• [-2, 3)

• (-2, 3]

• [-3, 4]

• (-3, 4]

What is the domain?

• (-8, 4]

• (-8,-3) U [-1, 4]

• [-8,-3) U [-1, 4]

• (-8,-4] U [-1, 4]

• (-2, 6]

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?

• [-3, 4]

• (-3, 4)

• (-3, 4]

• (-2, 3]

• [4, -3]