Extra Credit Quiz

What is the domain of the graph?

• y≥1
• x ≥ 1
• All real numbers
• none of these

What is the domain?

• x = 2
• −∞ < x < ∞
• y = 2
• none of these

What is the range?

• x = 2
• −∞ < x < ∞
• y = 2
• none of these

What is the proper domain?

• x≥0
• y≥0
• All real numbers
• {0, 1, 2, 3, 4,...}

What is the domain of the graph?

• -7 ≤ x < 5
• -3 ≤ x < 1
• -3 ≤ y < 1
• -7 ≤ y < 5

What is the range of this function?
Hint:  Graph counts by 2's.

• [-5, 5]
• (1.5, 4)
• [3, 8]
• (-6, 6]

What is the range of the relation?

• (-∞, ∞)
• (-2, 2)
• (-3, 3)
• [-4, 5)