Relations

For DOMAIN, scan your pencil _______ to ________ along the ____ -axis.

• left to right along the x-axis
• left to right along the y-axis
• bottom to top along the x-axis
• bottom to top along the y-axis

For RANGE, scan your pencil _______ to ________ along the ____ -axis.

• left to right along the x-axis
• left to right along the y-axis
• bottom to top along the x-axis
• bottom to top along the y-axis

#1   Find the domain.

• all real numbers    (-∞, ∞)
• [2, 5]

#1   Find the range.

• all real numbers (-∞, ∞)
• y ≥ -2    [-2, ∞)

#2   Find the domain.

• -3 ≤ x ≤ 3   [-3, 3]
• all real numbers   (-∞, ∞)

#2   Find the range.

• -3 ≤ y ≤ 3       [-3, 3]
• all real numbers (-∞, ∞)

#3   Find the domain.

• -4 ≤ x ≤ 2     [-4, 2]
• all real numbers (-∞, ∞)

#3   Find the range.

• -4 ≤ y ≤ 2    [-4, 2]
• all real numbers (-∞, ∞)

#4   Find the domain.

• all real numbers (-∞, ∞)
• -4 ≤ x ≤ 4     [-4, 4]

#4   Find the range.

• all real numbers (-∞, ∞)
• y ≤ 4     (-∞, 4]