Relations, Functions, and Function Notation

Write the domain of the relation

• {-6,3,0,6}

• {-6,-3,0,3,6}

• {-3,-1,1,3,5}

• {(-6,-3),(-3,-1),(0,1),(3,3),(6,5)}

Tags

CCSS.HSS.ID.B.6

Determine whether the relation is a function

• yes

• no

Tags

CCSS.8.F.A.1

Determine f(-2)

• -2

• 0

• 2

• undefined

Tags

CCSS.HSF.IF.A.2

CCSS.HSF.IF.A.1

Refer to the graph, determine f(-1)

• 0

• -4

• undefined

• (-∞,+∞)

Tags

CCSS.HSF.IF.A.2

What is the domain and range of the graph?

• Domain: All Reals

  Range: y ≥ 1

• Domain: x ≥ 1

  Range: All Reals

• Domain: All Reals

  Range: All Reals

• Domain: All Reals

  Range: y ≥ 2

Give the range of the set of ordered pairs: (2, 11), (9, -3), (7, 21), (-8, 6)

• {2, 9, 7, -8}

• {11, -3, 21, 6}

• -8 < x < 9

• -3 < y < 21

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Which set of ordered pairs is not a function?

• (1, 3), (2, 7), (3, 8), (4, 11)

• (2, 3), (4, 9), (3, 8), (4, 15)

• (1, 2), (3, 5), (6, 9), (7, 11)

• (-9, 4), (-6, 3), (-2, 8), (0, 21)

Tags

CCSS.8.F.A.1

Which mapping diagram is not a function?

• 
• 
• 
• 

Tags

CCSS.8.F.A.1

What is a function?

• A relation that maps every domain value to exactly one range value.

• A relation that maps every range value to exactly one domain value.

• Any set of ordered pairs.

• Any graph of x and y values.

Tags

CCSS.8.F.A.1

If I know that f(2) = 4, what is another way I can write my answer?

• 2,4

• (2, 4)

• That is the only way to write it.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1