Functions & Function Tables

• Function

• Not a Function

Tags

CCSS.8.F.A.1

Is this table a function and how can you tell?

• Yes it's a function because each input has exactly one output

• No it's not a function because the y value 4 repeated
• No it's not a function because the input 5 has more than one output

Tags

CCSS.8.F.A.1

What is the definition of function?

• Has inputs and outputs

• Every input has only one output

• Inputs have different outputs every time

• x-values and y-values

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

• Function
• Not a Function

Tags

CCSS.8.F.A.1

If my function rule is y = x + 3, what is the OUTPUT if the input is 4?

• 4
• 3
• 7
• 10

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

If my function rule is y = 4x, what is the OUTPUT if the input is 5?

• 45
• 54
• 9
• 20

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

If my function rule is y = 2x + 1, what is the OUTPUT if the input is 2?

• 5
• 4
• 22
• 23

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Using the rule y = x - 6

What is the missing number?

• 12

• 10

• 14

• 13

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Find the missing OUTPUT value.

• 8

• -2

• 2

• -8

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Find the missing OUTPUT value.

• -2

• 3

• 9

• -7

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1