CHECK YOUR ANSWERS! Unit 3 Quiz: Functions

1. What is the Domain of the relation?

{(1, 2), (3, -4), (5, 6) (-7, 8)}

• {-7, 1, 3, 5}

• {-4, 2, 6, 8}

• {1, 2, 3, -4}

• x > 0

1. What is the Range of the relation?

{(1, 2), (3, -4), (5, 6) (-7, 8)}

• {-7, 1, 3, 5}

• {-4, 2, 6, 8}

• {1, 2, 3, -4}

• x > 0

1. Is the relation a function?

{(1, 2), (3, -4), (5, 6) (-7, 8)}

• Yes

• No

2. What is the Domain of the relation?

• {-2, 2, 4, 5, 6}

• {4, 16, 25, 36}

2. What is the Range of the relation?

• {-2, 2, 4, 5, 6}

• {4, 16, 25, 36}

2. Is the relation a function?

• Yes

• No

3. What is the Domain of the relation?

• {3}

• {4}

• {1, 2, 3, 4}

3. What is the Range of the relation?

• {3}

• {4}

• {1, 2, 3, 4}

3. Is the relation a function?

• Yes

• No

4. What is the Domain of the relation?

• {-6, 6}

• {-5, 4}

• -6 < x < 6

• -5 < x < 4