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

Which is a true statement about the definition of function?

• On a graph it has to go through the origin

• Every input has only one output

• Inputs have more than one output

• Any graph is a function

Tags

CCSS.8.F.A.1

• Function
• Not a Function

Tags

CCSS.8.F.A.1

If the function rule is y = x + 3, what is the OUTPUT (y-value) when x = 4?

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

If the function rule is y = 4x, what is the OUTPUT (y-value) when x = 5?

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

If the function rule is y = 2x + 1, what is the OUTPUT when 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 (y-value).

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