Definition of Functions Overall Review Quiz

Which relation describes a function? What makes it a function?

• {(-2,3),(-2,5),(-6,7)} Each member of the range is unique.

• {(2,3),(3,3),(3,4)} Each member of the domain and range is positive.

• {(2,3),(3,3),(3,4)} Each member of the domain and range is a real number.

• {(-2,3),(-3,3),(-4,3)} Each member of the domain is assigned exactly one member of the range.

Which graph represents a function?

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• 
• 
• 

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CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Which equation matches the table?

• y = x - 3

• y = x + 3

• y = 4x - 3

• y = 4x + 3

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CCSS.8.F.B.4

CCSS.HSF.LE.A.2

The cost of Nate’s service is described by y = 4x + 6. The table shows the cost of Beth’s service. Which service is cheaper for 8 movies in one month?

• Beth's service ($38 vs. $40) is cheaper
• Nate’s service ($42 vs. $44) is cheaper
• Nate’s service ($38 vs. $40) is cheaper
• Beth's service ($42 vs. $44) is cheaper

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CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Is the function linear or nonlinear?
y = x² + 7

• Linear
• Nonlinear

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CCSS.8.F.A.3

Is this function linear or nonlinear?

• Linear
• Nonlinear

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CCSS.8.F.A.3

Is this function linear or nonlinear?

• Linear
• Nonlinear

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CCSS.8.F.A.3

Is this  graph a function?

• Function
• Not a Function

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CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.4

CCSS.HSF.IF.B.5

Evaluate f(-4) for the function f(x)=3x²-5

• f(-4) = 43
• f(-4) = 139
• f(-4) = -52
• f(-4) = -149

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CCSS.HSF.IF.A.2

Is the table pictured a linear relationship? Why or Why not

• Yes, it has a constant change
• Yes, it does not have different rates of change
• No, it has constant rate of change
• No, it does not have a constant rate of change

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CCSS.HSF-LE.A.1B