Introduction to Functions and Function Notation

Which graph represents a function?

• 
• 
• 
• 

Does the table represent a function?

• Yes

• No

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CCSS.8.F.A.1

• Function
• Not a Function

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CCSS.8.F.A.1

Which of these tables represent a function?

• A

• B

• C

• D

• all of the above

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CCSS.8.F.A.1

All of the x values are called what?

• Inputs

• Range

• Relation

• Function

• Outputs

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CCSS.8.F.A.1

CCSS.HSF.IF.A.1

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CCSS.HSF.IF.A.2

Name the DEPENDENT variable from the table below.

• minutes

• bubbles

• there is not one

• distance

• time

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CCSS.6.EE.C.9

Is this mapping a function or not a function? 

• Function

• Not a Function 

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CCSS.8.F.A.1

Is this a function?

• Yes

• No

• Let me ask my dog...

• Why are there letters in math?

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CCSS.8.F.A.1

If f(x) = 2x+1, what would the function look like once you substitute in a 1 to find f(1)?

• f(x) = 21+1

• f(1) = 2 (1) + 1

• f(1) = 2x (1) + 1

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CCSS.HSF.IF.A.2