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

X-values can repeat in a function.

• True
• False

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

Answer.

• A
• B
• C
• D

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

The function h(t) represents the height in inches of a plant after t weeks. What does the notation h(4) = 5 mean?

• After 5 week the plant is 4 inches tall
• The plant grows at a rate of 5/4 inch per week
• After 4 weeks the plant is 5 inches tall
• The plant grows at a rate of 1 inch per week

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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

Evaluate f(x)=-2x+13   for f(10)

• -7
• 1
• -8
• 7

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

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

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

CCSS.Math.Content.HSF.IF.A.1

All of the x values or inputs are called what?

• Domain
• Range
• Relation
• Function

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

CCSS.Math.Content.HSF.IF.A.1

A ball is thrown into the air with an upward velocity of 100 ft/s. Its height, h, after t seconds is given by the function
 h = -16t² + 64t + 960.
How many seconds did it take for the ball to reach its maximum height?

• 10 seconds
• 64 seconds
• 960 seconds
• 2 seconds

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

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

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

What is the equation for the table?

• y = 1(2)^x
• y = 2(1)^x
• y = 2(3)^x
• y = 3(2)^x

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