Functions and Their Characteristics

State the domain

• all real numbers

• 0 ≤ x ≤ 6

• 0 ≤ x ≤ 7

• x ≥ 0

State the range

• all real numbers

• 0 ≤ y ≤ 6

• 0 ≤ y ≤ 7

• y ≥ 0

Evaluate f(3)

• 3.5

• 2.5

• 2

• 1.5

What is the rate of change from x = 3 and x = 5?

• 4

• 3

• 2

• 1/2

Over which interval is the function increasing?

• 0 ≤ x ≤ 2

• 2 ≤ x ≤ 3

• 5 ≤ x ≤ 6

• 6 ≤ x ≤ 7

What is the domain?

• all real numbers

• x ≥ 0

• -1 ≤ x ≤ 5

• -5 ≤ x ≤ 5

What is the range?

• all real numbers

• y ≥ 0

• -1 ≤ x ≤ 5

• -1 ≤ y ≤ 5

Which point represents a maximum?

• (-3, 0)

• (-2, -1)

• (0, 2)

• (2, 5)

Which point represents the y-intercept?

• (-3, 0)

• (-2, -1)

• (0, 2)

• (2, 5)

What is the rate of change from x = -2 and x = 2?

• (6, 4)

• (3, 2)

• 4/6

• 3/2