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

For a table to be considered a function, ______ cannot repeat.

• X-values
• Y-values
• Positive Numbers
• Negative Numbers

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

Which set of values is a function?

• (9,5) (10,5) (9,-5) (10,-5)
• (3,4) (4,-3) (7,4) (3, 8)
• (6,-5) (7, -3) (8, -1) (9, 1)
• (2, -2) (5, 9) (5, -7) (1, 4)

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

Determine if the following relation describes a function

• Function
• Not a Function

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

Given 
f(x)= 2x² + 5x - 17, find f(-1). 

• f(-1) = -20
• f(-1) = -24

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

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

CCSS.Math.Content.HSF.IF.A.2

All of the y values or outputs are called what?

• Domain
• Range
• Relation
• Function

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

Bamboo grows one inch every day. 
What is the independent variable? 

• Growth
• days
• one inch 
• 5 days

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

The function
 ^{f(t) = -2|t - 15| + 50}
is graphed and represents weekly sales of shoes, f(t) in $1000s, where t is weeks. What is the domain for this graph?

• 0 ≤ t ≤ 40
• 0 ≤ t ≤ ∞
• 20 ≤ t ≤ 40
• -∞ ≤ t ≤ 50

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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

CCSS.Math.Content.HSA.REI.D.10

The range of a function is ______________________

• the domain
• the x-values
• the maximum minus the minimum
• the y-values

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

Level 4 If my function rule is 5x, what is my INPUT if the output is 10?

• 1

• 50

• 2

• 15

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