CCSS.Math.Content.8.F.A.1

Is the relation a function?{(1,5),(1,7),(3,9),(4,11)}

• Yes
• No

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CCSS.Math.Content.8.F.A.1

What is this? 

• Linear function
• Nonlinear function
• Linear, but not a function
• Nonlinear and not a function

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CCSS.Math.Content.8.F.A.1

Is this mapping a function or not a function? 

• Function
• Not a Function 

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CCSS.Math.Content.8.F.A.1

What is the range of the graph?

• 1 ≤ x ≤ 5
• 1 < x < 5
• 1 ≤ y ≤ 5
• 1 < y < 5

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CCSS.Math.Content.8.F.A.1

What is the range of the graph?

• -7 ≤ x < 5
• -3 ≤ x < 1
• -3 ≤ y < 1
• -7 ≤ y < 5

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CCSS.Math.Content.8.F.A.1

Assume y varies inversely with x. If x=7 when y=4, what is y when x=2 ?

• 4
• 14 
• 7
• 28

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CCSS.Math.Content.8.F.A.1

Evaluate f(x)=-2x+13   for f(10)

• -7
• 1
• -8
• 7

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CCSS.Math.Content.8.F.A.1

Which of the following guarantees a mapping will not be a function?

• A x value repeats
• An y value repeats
• An x value has two or more arrows leaving it
• A y value has two or more arrows arriving at it

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CCSS.Math.Content.8.F.A.1

Is this set of ordered pairs a function or not a function? 

• Function
• Not a Function 

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CCSS.Math.Content.8.F.A.1

Is the graph below a function? Why or why not?

• It is a function, because no vertical lines hit it twice.

• It's not a function, because a vertical line hits it twice.

• It's not a function, because no vertical lines hit it twice.

• It is a function, because a vertical line hits it twice.

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CCSS.Math.Content.8.F.A.1