Functions Review

Which graph represents a function?

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Which table does NOT represent a function?

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Tags

CCSS.8.F.A.1

Determine whether the relation shown here is a function. Explain your answer.

• function, an input has 1 output

• function, an input has 2 different outputs

• function, no output has 2 different inputs

• not a function, an input has 2 different outputs

Tags

CCSS.8.F.A.1

What is a possible scenario for the given table?

• You have $8 and get $5 more each day!

• You have $16 and get $2 more each day!

• You have $2 and get $6 more each day!

• You have $6 and get $2 more each day!

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Which mapping diagram is not a function?

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Tags

CCSS.8.F.A.1

What is the test to determine if a graph represents a function? (a)  

• Horizontal line test
• Vertical line test
• Rorschach Test
• Diagonal Line Test

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

Is this mapping a function or not a function?  (a)  

• Function
• Not a Function

Tags

CCSS.8.F.A.1

Is this graph a function or not a function?  (a)  

• Function
• Not a Function

Which set of values is a function?

• (9,5) (10,5) (9,-5) (10,-5)
• (3,4) (4,-3) (7,4) (3, 8)
• (6,-5) (7, -3) (8, -1) (9, 1)
• (2, -2) (5, 9) (5, -7) (1, 4)

Tags

CCSS.8.F.A.1