LDME Module 4 Review "Functions"

What is the domain and range of the relation below?

{(-2, 5), (0, -1), (1, -5), (2, 4), (4, -1)}

• Domain: {-2, 0, 1, 2, 4}

  Range: {-5, -1, 4, 5}

• Domain: {-5, 0, 2}

  Range: {-3, 0, 4, 5}

• Domain: {-5, -1, 4, 5}

  Range: {-2, 0, 1, 2, 4}

What is the domain and range of the relation below?

{(2, 3), (-6, 2), (2, -4)}

• Domain: {-4, 2, 3}

  Range: {-6, 2}

• Domain: {-4, 0, 4}

  Range: {2, 3, 9}

• Domain: {-6, 2}

  Range: {-4, 2, 3}

Is the relation below a function? Explain your answer.

{(-3, 0), (1, -2), (0, 1), (3, -5)}

• No, because the x’s repeat.

• Yes, because the x’s do not repeat.

• No, because the y’s repeat.

Tags

CCSS.8.F.A.1

For the function f(x) = x - 3, evaluate f(1).

• -2

• 2

• 4

Tags

CCSS.HSF.IF.A.2

For the function y = 5x, is the ordered pair (2, 10) a solution?

• no

• yes

• there is not enough information

Graph the relation: {(-2, -3), (0, 3), (1, -4)}

• a

• b

• c

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Express the relation as a table: {(-3, 2), (-1, -3), (1, 0), (4, -2)}

• a

• b

• c

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Express the relation as a mapping: {(-3, 2), (-1, -3), (-1, 0), (4, -2)}

• a

• b

• c

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Is the relation below a function? Explain your answer.

• No, because the x’s repeat.

• No, because the y’s repeat.

• Yes, because the x’s do not repeat

Tags

CCSS.8.F.A.1

Is the relation below a function? Explain your answer.

• No, because the y’s repeat.

• No, because the x’s repeat.

• Yes, because the x’s do not repeat.

Tags

CCSS.8.F.A.1