All About Functions

Which of the following best describes a function?

• A special relationship where each x and y are individually paired

• A special relationship where each input value has only one output value

• A special relationship where there are not any negative numbers

• A special relationship where each the x and y value and always equal

Tags

CCSS.8.F.A.1

Is this mapping a function and how can you tell?

• Yes its a function cause all the numbers have lines

• Yes it's a function because there a 5 in both ovals

• No it's not a function because the x value of 5 has 2 different y values

• No it's not a function because their aren't enough numbers

Tags

CCSS.8.F.A.1

Does the graph show a function?

• Yes

• No

Is this table a function and how can you tell?

• Yes its a function because there are not any missing numbers

• Yes it's a function because the y value 4 is repeated

• No it isn't a function because the x value 2 is repeated

• No it's not a function because the y value 0 is repeated

Tags

CCSS.8.F.A.1

Is this relation a Function?

• Yes

• No

Which table shows a function?

• F

• G

• H

• J

Tags

CCSS.8.F.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

What is the range of the mapping?

• {1, 2, 4}

• {0, 1, 2, 3}

• {0, 3}

• {1, 4}

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

• Function
• Not a Function

• Function
• Not a Function