2.1-2.4 Quiz Retake

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

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.

Is this mapping a function or not a function? 

• Function
• Not a Function

All of the y values or outputs are called what?

• Domain
• Range
• Relation
• Function

Which of the following is not a function?

• {(0,1), (1,2), (2,3), (3,4)}
• {(0,2), (1,3), (4,3), (1,2)}
• {(1,3), (4,2), (2,0), (3,4)}
• {(1,2), (2,2), (3,2), (4,2)}

Is this a function? 

• Yes
• No

What is the domain of this graph?

• D = { 2,3,-5,-3,-3,-5}

• D = {-5, -3, 2 }

• D = {-5, -3, 3}

• D = {-5, -3}

What is the range of this graph?

• R = { 2,3,-5,-3,-3,-5}

• R = {-5, -3, 2 }

• R = {-5, -3, 3}

• R = {-5, -3}

The left grouping in a mapping is the...

• domain.

• range.

• y-axis.

• relation.

Organize these options into the right categories

Groups:

(a) Function

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(b) Relation

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