Understanding Functions

What is a relation?

• a rule that assigns inputs and outputs

• an equation with variables

• a set of outputs

• two people who are related

Tags

CCSS.8.F.A.1

What is a function?

• A unique relation where each input has exactly one output

• A unique relation where each input has two unique outputs

• A unique relation where each output has one unique input

• An event or a party

Tags

CCSS.8.F.A.1

Which graph shows a relation that is not a function?

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• 
• 

Which graph is not a graph of a function?

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• 
• 

Which list of coordinate pairs shows a function?

• {(6,1),(4,2),(6,-3),(2,5)}

• {(5,8),(3,-2),(-2,5),(0,0)}

• {(-1,7),(2,8),(-3,2),(-1,6)}

Tags

CCSS.8.F.A.1

Which relation shows a function?

• A

• B

• C

• D

Tags

CCSS.8.F.A.1

Which relation shows a function?

• A

• B

• C

• D

Tags

CCSS.8.F.A.1

Which relation shows a function?

• A

• B

• C

• D

Tags

CCSS.8.F.A.1

Which relation shows a function?

• A

• B

• C

• D

Tags

CCSS.8.F.A.1

Which relation shows a function?

• A

• B

• C

• D

Tags

CCSS.8.F.A.1