2.1 Relations & Functions

Given: {(-1, 4), (-1, 9), (-1, 15), (-1, 0)}?

The Domain is (a)   . The Range is ​ (b)   . Which means this relation ​ (c)   a function.

• {-1}
• {4}
• {4, 9, 15}
• {-1, 4, 9, 15, 0}
• {0, 4, 9, 15}
• is not
• is

Tags

CCSS.8.F.A.1

The Domain is (a)   . The Range is ​ (b)   . Which means this relation ​ (c)   a function.

• {5, 6, 7, 8}
• {-3, -2, 0, 5, 6, 7, 8, 10}
• {4, 9, 15}
• {-1, 4, 9, 15, 0}
• {-3, -2, 0, 10}
• is not
• is

Tags

CCSS.8.F.A.1

The Domain is (a)   . The Range is ​ (b)   . Which means this relation ​ (c)   a function.

• {-8, -2, 1, 4}
• {-3, -2, 0, 5, 6, 7, 8, 10}
• {4, 9, 15}
• {-1, 4, 9, 15, 0}
• {-10, 0, 10}
• is not
• is

Tags

CCSS.8.F.A.1

Given: {(1, 1), (2, 2), (3, 3), (4,4)}

The Domain is ​ (a)   . The Range is ​ (b)   . Therefore the relation ​ (c)   a function.​

• {1, 2, 3, 4}
• is
• is not
• {1, 4}
• {1, 2, 3}

Tags

CCSS.8.F.A.1

5. 5. State the DOMAIN of the relation. Put your numbers in order from least to greatest.

5. 5. State the RANGE of the relation. Put your numbers in order from least to greatest.

5. 5. Is the relation a function?

• Yes

• No

Tags

CCSS.8.F.A.1

5. The DOMAIN of the relation is ​ (a)   , the RANGE is ​ (b)   , therefore the relation ​ (c)   a function.

• -3 ≤ x ≤ 3
• -4 ≤ y ≤ 2
• is not
• 0 ≤ x ≤ 2
• -1 ≤ y ≤ 1
• -3, -1, 1, 3
• -4, -2, 0, 2
• All Real Numbers

Tags

CCSS.8.F.A.1

5. The DOMAIN of the relation is ​ (a)   , the RANGE is ​ (b)   , therefore the relation ​ (c)   a function.

• x ≥ -4
• y ≥ 0
• is
• 0 ≤ x ≤ 2
• 0 ≤ y ≤ 3
• -4, 0, 5
• 0, 2, 3
• All Real Numbers

5. The DOMAIN of the relation is ​ (a)   , the RANGE is ​ (b)   , therefore the relation ​ (c)   a function.

• x ≥ -4
• -1 ≤ y ≤ 3
• is
• 0 ≤ x ≤ 2
• 0 ≤ y ≤ 3
• -1, 3
• -4.5, -1.5, 1,5, 4.5
• All Real Numbers