Archive - Function Identification

Is the Mapping Diagram

A Function or Not A Function

• Function

• Not A Function

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Is the relation a function? Why.

• Yes, because the x-value 11 has two y-values pair with it.
• Yes, because each x-value has only one y-value paired with it.
• No, because the x-value 11 has two y-values pair with it.
• No, because each x-value has only one y-value paired with it.

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Which of these tables represent a function?

• A
• B
• C
• D

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Does the following mapping represent a function?

• The mapping is a function because one output is paired with exactly one input.

• The mapping is not a function because one input is paired with two outputs.

• The mapping is a function because one input is paired with exactly one output.

• The mapping is not a function because one output is paired with exactly one input.

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What is the definition of a function?

• Has inputs and outputs

• Inputs have different outputs every time

• x-values and

  y-values

• Every input has only one output

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fID

• Yes
• No

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fID

• Yes
• No

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Is this table a function and how can you tell?

• Yes its a function because there are not variables for missing numbers
• No it's not a function because the y value 4 repeated
• No it isn't a function because the x value 2 is repeated
• No it's not a function because the x value 5 has y values of  10 & 12

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Is this is a function or not a function?

• Function
• Not a Function

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fID

Is this a function or not a function?

• Function
• Not a Function

Tags

fID