Intro to Fctn

Is the relation a function? Why.

• Yes, because the x-value 11 has two y-values pair with it.
• Yes, because each x-value has only one y-value paired with it.
• No, because the x-value 11 has two y-values pair with it.
• No, because each x-value has only one y-value paired with it.

Tags

CCSS.8.F.A.1

Which set of values is a function?

• (9,5) (10,5) (9,-5) (10,-5)
• (3,4) (4,-3) (7,4) (3, 8)
• (6,-5) (7, -3) (8, -1) (9, 1)
• (2, -2) (5, 9) (5, -7) (1, 4)

Tags

CCSS.8.F.A.1

Is this table a function or not a function? 

• Function
• Not a Function

Tags

CCSS.8.F.A.1

Is it a function?

• Yes
• No

Is it a function?

• Yes
• No

Tags

CCSS.8.F.A.1

What is the domain?

• {-2, -1, 0, 1, 8}
• {3, 5, 7 , 9, 0}
• {-2, -1, 0, 1, 3, 5, 7, 8, 9}
• {-2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9}

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

What is the range?

• {-3, -1, 2, 4}
• {0, 4, 7} 
• {0, 4, 4, 7}
• {7, 4, 0}

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Erika has a savings account that has $125. She starts saving $5 per week for a new iPhone. Write a function to represent the total amount Erika has in her savings account. How much money will she has after 10 weeks?

• y = 125x + 5

• y = 5x + 125

• y = 125x - 5

• y = 5x - 125

Tags

CCSS.HSF-BF.A.1A

• {1, 2, 3, 4, 5}

• {-1, 1, 2, 3}

• {1, 2, 3, 5}

• {1, 5}

Tags

CCSS.HSF.IF.A.2

What is the range of the following graph?

• {-5, -1, 0 , 1, 5}

• {-4, -2, 0, 3, 6}

• {-4, 0, 1, 6}

• {0, 6}

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5